Term english for electrical engineer d08 k50

UNIT 1
ELECTROSTATIC FORCES AND
THE STRUCTURE OF MATTER
No
1
2

Terms
Anion
Cation

3

The halogen
element
Cyclotron

4

5
6
7
8
9
10
11
12

13
14

15
16
17
18
19
20

Charged body
Matter
No resultant
electric
charged
Ion

Explanation
negative ion
Positive ion

Anion, ion âm
Cation, ion
dương

Fluorine, chlorine, bromine, iodine and astatine
An accelerator (an apparatus that makes the
particles accelerate – go faster and faster) that gives
energies of several million electron – volts to
atomic-sized.
Something that has an electric charge
That of which all things are made
With the positive and negative charges of the same

size so that no charge can be observed from outside

Máy gia tốc
cộng hưởng từ
Hạt mang điện
Vật chất

An atom, group of atoms or a molecule that lacks its
full number of electrons (positive) or has too many
electrons (negative)
Apparatus
Either a piece of equipment
Bộ phận, thiết
bị
Chemical inert Not reacting chemically with other things (these
Chất khí trơ
inert gases do not easily form any chemical
compounds)
Electrostatic
The forces between particles that are caused by
Lực tĩnh điện
forces
their electric charges.
Coulomb’s
The force acting between two charged bodies in air
law
is proportional to the product of the charges, and
inversely proportional to the square of the distance
between them.
Atom

The smallest amount of a chemical element
Nguyên tử
Nucleus
Is composed of particles with positive charge called Hạt nhân,
protons, and other particles of about the same mass nhân
but with no resultant electric charge, these are
called neutrons.
Ionization
Energy which is necessary to remove an electron
Năng lượng
energy
from an atom, according to the orbital arrangement ion hóa
of the electrons in the atom
Ionic valence The force of attraction between ions of opposite
Lực liên kết
force
charge
hóa trị
Molecule
The smallest particle of any substance which still
Phân tử
has the original chemical properties of the substance
Repel
Đẩy
Attract
Hút
Monovalent
Hóa trị 1
English for Electrical Engineering- Glossary – D08 - K50

21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40

Bivalent
Trivalent
Tetravalent
Law
Approximate
model
Mass
Valency

Electrostatic
field
+
+
≈
x
/
α
:
√
R² X³
<
≤

Hóa trị 2
Hóa trị 3
Hóa trị 4
Đinh luật
Mẫu tương đối
Khối lượng
Hóa trị
Trường tĩnh
điện
Plus
Minus
Equal/ be equal to
Be approximately equal to
Times/ multiplied by
Over/ divided by
Be proportional to

To (11:1 = 11 to 1)
The square root of/ root of
R square root/ X cubed
Less than
Less than or equal to

Unit 2:
Electric current - Electromotive force – Potential difference - Conductors and
insulators – Ohm’s law
No Term
1
Conductor
2

Drive

3
4

Electric current
Electromotive
force
Potential
different/ Voltage

5

6

Insulator

7

Unit charge

Explanation
Something that allow heat, electricity,
light, sound pass along or through it
Force ( batteries and generators force their
free electrons to move continuously from
one terminal to another)
Flow of electrons in a conductor
A force that causes the flow of electricity
from one point to another
_Difference between two terminals in
electric field
_The work done in moving a unit electric
charge between two terminals in electric
field.
Material or device that prevents or reduces
the passage of heat, electricity, or sound
A charge of one in any system of
measurement used.

Chất/ Vật dẫn điện
Dẫn điện
Dòng điện
Sức điện động
Hiệu điện thế

Chất/ Vật cách điện
Đơn vị điện tích

English for Electrical Engineering- Glossary – D08 - K50


8

Resistor

9

Resistance
(R)
Resistivity
(σ )
Ohm’s law
(R=E/I)

10
11

12
13

Terminal
Ebonite

14

Graphite

A component of an electrical circuit that
have resistance and is used to control the
following of electric current
The opposition to electric current flow in a
body
The resistance between opposite faces a
sample cube
The ratio of the potential difference
between the ends of a wire and the current
flowing in it is equal to the resistance of
the wire.
Connection into an electric circuit
Hard rubber produced by vulcanizing
natural rubber with large amount of sulfur
A soft dark carbon that conducts
electricity

Điện trở
Điện trở
Trở kháng
Định luật Ohm

Cực
1 loại cao su tự nhiên
cứng
Than chì

UNIT 3: UNIT OF MEASUREMENT

No
1
2

Term
Fundamental
unit
Derived unit

3

System of units

4

CGS system

5

CGS
electrostatic
system
CGS
electromagnetic
system
MKS system of
units
International
System of Unit
(SI)

The newton
(unit of force)
The joule (unit
of energy or
work)
The watt (unit of
power)

6
7
8
9
10
11

Explanation
Unit that can be arbitrary (e.g. second,
metre…)
Combination of arbitrary unit (e.g. kilometer
per hour…)
System of fundamental and derived units
which enable us to express all the quantities of
one or more branches of physics
System whose fundamental units are
centimeter, gram, second
System based on the force exerted between
two charges of electricity

Đơn vị cơ bản
Đơn vị dẫn suất

Hệ đơn vị
Hệ (đơn vị) CGS,
hệ xentimentgam-giây
Hệ CGS tĩnh điện

System based on the force exerted between
two magnetic poles

Hệ CGS điện từ

System whose fundament units are metre,
kilogram and second

Hệ đơn vị MKS
Hệ SI, hệ đơn vị
quốc tế

Force which gives to a mass of kilogram an
acceleration of 1 metre per second per second
The work done when the point of application
of the newton is displaced a distance of 1
metre in the direction of force
Power which gives rise to the production of
energy at the rate of 1 joule per second

Niu tơn (đơn vị
của lực)
Jun (đơn vị công
hay năng lượng)
Oát (đơn vị công

suất)

English for Electrical Engineering- Glossary – D08 - K50


12

The ampere

Constant current, if maintain in two straight
parallel conductors of infinite length and
negligible cross-sections and placed 1 metre
apart in a vacuum, will produce between these
conductors a force equal to 2*10-7 newton per
metre of length

Ampe

13

The volt

Vôn (đơn vị điện
thế và sức điện
động)

14

The ohm

15

The coulomb

Difference of electric potential between two
points of a conducting wire carrying a constant
current of 1 ampere when the power dissipated
between these points is equal to 1 watt
Electrical resistance between two points of a
conductor when a constant difference of
potential between these two points produces in
the conductor a current of 1 ampere
Quantity of electricity transported in 1 second
by a current of 1 ampere

Ôm (đơn vị điện
trở)
Culông

UNIT 4
ELECTRICAL ENERGY AND POWER ELECTRIC CIRCUIT
No Terms

Definition

1

In series

2

3

Configuration
In parallel

4

Kinetic

5

Potential

Way of connecting components “end to end”,
so that the current flows through each in turn
Arrangement of part
Components connected so that each receives
the full voltage at the same time, with part of
the current flowing each in turn
relating to motion: relating to, caused by, or
producing motion
Possible; that might exist

6

Reciprocal

7

Circuit

8

Friction

9

Loop

10
11

Conductance
The principle
of the
conversion of
energy

The value obtained by dividing a number into
1, as in…
A network with at least one part that can be
closed
Force that tries to stop one thing moving over
or through another
A simple closed connection, part of a network
or circuit
Reciprocal of resistance
Energy can be transformed or transmitted into
one system to another but the total value of
the energy before and after the transformation

is always the same

Mắc nối tiếp
Sắp xếp bộ phận
Mắc song song
(thuộc) chuyển động
Tiềm năng, có khả
năng
Nghịch đảo
Mạch
Lực ma sát
Vòng dây (mạch
kín)
Trở kháng
Định luật bảo toàn
năng lượng:

English for Electrical Engineering- Glossary – D08 - K50


12

Kinetic energy

13

Potential
energy

14

Translation

15
16
17

By virtue of
Opposite sign
Power

18

Passage of
electrons

19

Joule’s law
P = R.I2

20
21

The power loss
Voltage drop

22

Conductance

23

Kirchhoff’s
first law

24

Kirchhoff’s
second law

The energy possessed by a mass by virtue of
its motion
Energy which a system possesses by virtue of
the relative position of its parts or its
configuration
The process of moving something from one
place to another

The amount of energy transformed or
transmitted per unit of time
A flow of electrons through a circuit

Động năng
Thế năng
Sự chuyển dịch
Do, theo
Trái dấu
Công suất
Dòng electron

The heat energy produced in a unit of time is
Định luật Jun: Nhiệt
proportional to the resistance and to the square năng sinh ra trong
of the current
một đơn vị thời gian
tỉ lệ thuận với điện
trở và tỉ lệ nghịch
với bình phương
cương độ dòng điện
The electric power that changed into heat
Công hao phí
The difference of potential across the
Sự giảm thế
terminals of the wire
a measure of the ability of an object or
Độ dẫn điện
substance to transmit electricity, expressed as
the reciprocal of resistance
In an electric network, the algebraic sum of
the current that meet at a junction point is zero
Trong một mạng điện, tổng đại số của dòng
điện tại điểm nút bằng 0
The sum of the products of current and
resistances in each part of any closed loop in a
network is equal to the algebraic sum of the
electromotive forces in that loop

Định luật 1
Kirchhoff

Định luật 2
Kirchhoff

English for Electrical Engineering- Glossary – D08 - K50


UNIT 5
ELECTROCHEMISTRY- ELECTROLYSIS
PRIMARY AND SECONDARY CELLS
ELECTROMOTIVE FORCE
No
1

Term
Electrochemistry

Explanation
A branch of chemistry that studies chemical
change associated with electrons and
electricity

2

Electrolysis

3
4

Electromotive
force

Electrolyte

5

Electrode

6
7
8
9
10

Anode
Cathode
Dissociate
Electrolytic
dissociation
Liberate

The conduction of electricity through sth
melted or dissolved in order to induce
decomposition of the melted or dissolved
chemical into its components
A force that causes the flow of electricity
from one point to another
A chemical compound that separates into
ions in a solution or when molten, and is able
to conduct electricity
A conductor through which electricity enters
or leaves sth such as a battery or a piece of

electrical equipment
The positive electrode in an electrolytic cell
The negative electrode in an electrolytic cell
Split sth into simpler parts

11
12

Deposit
Electroplate

13
14

Soluble
Metallic
conduction
Electronic
conduction

15
16
17

Convection
effect
Primary cell

18

Secondary cell

To release sth such as gas from combination
in a chemical compound during a chemical
reaction
To cover
Coat a surface with a metal (usually silver)
by electrolysis
Able to dissolved in another substance

Điện hóa học

Sự điện phân

Suất điện động
Chất, dung dịch
điện phân
Điện cực
Điện cực dương
Điện cực âm
Tách, phân ra
Sự phân li chất
điện phân
Giải phóng
Phủ vào
Mạ
Có thể hòa tan
Dẫn điện kim loại
Dẫn điện điện tử
Hiệu ứng đối lưu

An electrical cell that uses an irreversible
chemical reaction to generate electricity and
can not be recharged
An electric cell in which electricity is
produced by a reversible chemical reaction.
Therefore, it is rechargeable and able to store
electrical energy.

Pin sơ cấp
Pin thứ cấp

English for Electrical Engineering- Glossary – D08 - K50


19
20
21

Displacement
Fused
Accumulator

Moved from one place to another
Melted, made into liquid by heat
Storage cell

22
23

Reverse- type
cell
Fuel cell

24
25

Dilute
Battery

26
27

Interconversion
Medium

28

Voltaic

29
30

Aqueous
Table salt

31
32
33
34

Regenerate
Electrochemical
equivalent
Spongy lead
Distill

Primary cell that may be activated by the
addition of an electrolyte
Cell that produces electricity by the
oxidation of a fuel used in space vehicles
Mixed with water
Two or more cells connected in series or in
parallel
The mutual conversion from between 2
things
Sth used to achieve sth else
Substances through which force, etc passes
Pertaining to electricity produced by
chemical action or by surface contact and
friction
Watery
Fine salt suitable for use on food that has
been served out
Form again
The mass of a substance deposited from
solution by one coulomb of electric charge

35
36

Distilled water
Reduction

37

Oxidation

38

Redox reaction

To purify a liquid by boiling it and then
condensing its vapor, or undergo purification
in this way
A chemical reaction that brings about a gain
in hydrogen, a loss of oxygen or an increase
in electrons
The process of losing electrons from a
chemical element or compound

Sự dịch chuyển
Nóng chảy
Awcsqui có thể
nạp, sạc
Pin dự trữ, pin đảo
chiều
Pin nhiên liệu
Pha loãng
Pin

Chuyển đổi, trao
đổi
Phương tiện, môi
trường

Thuộc về nước
Muối ăn
Tái tạo, khôi phục
Đương lượng hóa
học
Chì xốp
Chưng cất
Nước cất
Sự khử
Sự oxi hóa
Phản ứng oxi hóa
khử

UNIT 6
ELECTROSTATICS- ELECTRIC FIELDS- CAPACITOR
No
1
2
3

Term
Vector

Explanation
A physical quantity for which we must

state a direction to define it completely
Disproportionate A charge of unsuitable proportions
charge
Farad
Unit of capacitance

Vec-tơ
Điện tích không phù
hợp
Đơn vị điện dung

English for Electrical Engineering- Glossary – D08 - K50


4
5

No
61
7
2
8
3
9
4
5
10
6
11
7

12
8
13
9
14
10
15

16
17
18
19
20
21

Capacitor

Device that gives capacitance , usually
Tụ điện
consisting of conducting plates
Capacitance
The ability of a substance to store an
Điện dung
electric charge
The ratio between charge and potential
difference:
C= Q/ V
Term
Definition
Neglect

Take no
account
disregard
qualiệu sắt từ
Ferromagnetic
Material
is of,
of only
iron, cobalt, and Bỏvật
Equipotential
No potential
difference
any 2
Đẳng thế
material
nickel and
some ofbetween
their alloys.
pointsElements
of conducting
body have slight
Paramagnetic material
and metals
vật liệu thuận từ
Polarization
Charges
on
the
surfaces
of

an
insulator
Điện
tích phân cực
magnetic properties.
charges
Diamagnetic materials Materials have magnetic properties
vật liệu ngịch từ
Electric field
A space
in
the
stressed
condition
Điện
trường
less than those of a vacuum.
RegionEach
around
an electric
charge
in an
Electron spin
electron
is spinning
about
Spin electron
whichaxis
an electric
is exerted on

throughforce
its centre
another
charge
Iron filings
Small
piece of iron that removed by
mạ sắt
Electrostatics
The study
of
the
behavior
of
electricity
Tĩnh
điện học
the file from a piece of iron.
when An
it isimaginary
static
Axis
line about which a
trục
Electric field
The force
exerted
by
the
field

on
an
unit
Cường
độ điện trường
body rotates
strength
positive
charge
at that point
Alignment
Being
in line.
sự sắp xếp
Dielectric
Hằng
số điện
Shells
Imaginary spheres around the nucleus Khung
hộpmôi
constant
on the surface of which groups of
Relative
electron may be considered to obit. Hằng số điện môi tương
permittivity
đốiKhuôn
Former
A shaped frame.
Adjacent
Situated

near
or close
to sthrings
or each
kề, lân cận
Turn
One
of the
complete
of wire Gần
vòng
other, which
especially
without
touching
together
make
a coil.
Impregnate
Saturate material: To incorporate a
Giấy tẩm hóa chất
chemical into a porous material such as
wood or cloth, especially by soaking it
thoroughly with a liquid
Resultant
Tổng hợp
Insulated
Vật dẫn điện cô lập
conducting body
Nullify

To make sth invalid or ineffective
Hủy bỏ, làm cho vô
hiệu
Offset
Counterbalance
Đối trọng
Coefficient
A numerical constant that is a measure
Hệ số
of a property of a substance
Impedance (Z)
The opposition in an electrical circuit the Trở kháng
flow of alternating current, consisting of
resistance and reactance

UNIT 7
MAGNETISM

Unit 8
English for Electrical Engineering- Glossary – D08 - K50


Magnetic flux- Permeability- Magnetic circuits- Induced electromotive forceSelf and mutual inductances
No
1

Explanation
An endless lines of induction that
represent direction and the flow at any
point

Tube of flux
The tube of flux being any closed tube
that is bounded by the lines of flux
Magnetic reluctance The resistance to the passage of
magnetic flux
Flux density
The flux per unit area

Meaning
từ thông

5

Indefinitely
increased

Increased with no fixed limit

tăng vô hạn

6

Hysteresis

hiện tượng trễ từ

7

Coercive force

8

Toroid

9

Plotting

10
11

A portion at a time
Induction

12

Permeability

Delay in the production in the elastic
and magnetic behavior of matter
The strength of the magnetic field
needed to demagnetize a given
substance
The surface generated by the revolution
of a plane closed curve about an axis
lying in its plane which does not
intersect it
Preparing a curve or a graph of the two
values
Portion by portion

The magnetic flux per unit area of a
section normal to the direction of flux.
Measured in Gauss, in the system of
units.
The quality or state of being permeable

13

Ferromagnetic
materials

Chất liệu sắt từ

14

Magnetization
curves

15

Point of magnetic
saturation
Saturation

A material whose permeability is very
much larger than 1 (from 60 to several
thousand times 1), and which exhibits
hysteresis phenomena
The value of B is deduced from
experimental curves obtained by

plotting the flux density B against the
field strength H.
The density B approaches an upper
limit when H is indefinitely increased
The condition under which all
elementary magnetic moments have
become oriented in one direction. A
ferromagnetic material is saturated

2
3
4

16

Term
Line of flux

bó từ
từ trở
mật độ từ thông

từ kháng
hình vòng xuyến

vẽ đồ thị
từng phần một
Cảm ứng

Độ thấm từ

Đường từ hóa

Điểm bão hòa từ
Bão hòa

English for Electrical Engineering- Glossary – D08 - K50


17

Residual flux
density

18

Magnetomotive
force

19

Reluctance

20

Electromagnetic
induction

21

Magnetic flux

22

23

when an increase in the applied
magnetizing force produces no increase
in induction. Saturation flux densities
for steels are in the range of 16,000 to
20,000 Gauss.
The magnetic flux density that remains Mật độ từ thông còn
in a ferromagnetic material when H has dư
been reduced to zero.
Analogous to voltage in electrical
Xuất từ động
circuits, this is the magnetic potential
difference between any two points.
Analogous to resistance in an electrical
circuit, reluctance is related to the
magnetomotive force, F, and the
magnetic flux by the equation R = F/
(Magnetic Flux), paralleling Ohm's
Law where F is the magnetomotive
force (in cgs units).
The phenomenon of a variation in the
value of the magnetic flux gives rise to
an electromotive force in the circuit.
The total magnetic induction over a
given area. When the magnetic

induction, B, is uniformly distributed
over an area A, Magnetic Flux = BA.

Từ trở

Self-inductance

Induction in a circuit due to the action
of one portion of a current upon an
adjacent portion during periods of
varying current strength

Hiện tượng tự cảm

Mutual inductance

Inductance measured in circuit: a

Hiện tượng Hỗ cảm

Đường sức từ

measure of the change in the
electromotive force of a circuit
caused by a change in the current
flowing through an associated
circuit. It is given as the ratio of the
electromotive force induced to the
rate of current change producing it.

24

Residual induction

25

Magnetic circuit

This is the point at which the hysteresis
loop crosses the B axis at zero
magnetizing force, and represents the
maximum flux output from the given
magnet material. By definition, this
point occurs at zero air gap, and
therefore cannot be seen in practical
use of magnet materials.
An assembly consisting of some or all
of the following: permanent magnets,

Độ cảm ứng từ dư

Mạch từ

English for Electrical Engineering- Glossary – D08 - K50


26

Leakage flux

27

Hysteresis loop

28

Flux

ferromagnetic conduction elements, air
gaps, electrical currents.
That portion of the magnetic flux that is Từ thông rò
lost through leakage in the magnetic
circuit due to saturation or air-gaps, and
is therefore unable to be used.
A closed curve obtained for a material Vòng từ trễ
by plotting corresponding values of
magnetic induction, B, (on the
abscissa) against magnetizing force, H,
(on the ordinate).
The condition existing in a medium
dòng
subjected to a magnetizing force. This
quantity is characterized by the fact
that an electromotive force is induced
in a conductor surrounding the flux at
any time the flux changes in
magnitude.

Unit 9
DIRECT CURRENT GENERATORS AND MOTORS

No Terms
1
Conversion
2
3
4
5
6
7
8
9
10

English
Changing

Torque

The agency producing or tending to produce
torsion
Mounted (on sth) Fixed, positioned
Wedge
An object the side of which is similar in shape to
an isosceles triangle with an apex of less than 60o
Clamping flanges A projecting edge being fasten tightly for
strengthening or attachment purposes
Segment
On of a series of separable parts which together
form the whole
Spider

The central part of the armature core
Angle of shift
Angle through which the brushes must be moved
to change their position
Yoke
A joining or coupling element

11

Isosceles
Triangle
Apex

A triangle in which two of the sides are conguent
(equal)
The tip, top, point, or angular
summit of anything

12

Armature

One of the two principal electrical components of
an electromechanical machine--a motor or
generator

Vietnamese
Sự chuyển
đổi
Moment lực

Gắn lên
Cái chốt
Kẹp đàn hồi
Đoạn
Đế hình sao
Góc nâng
Bệ đựng nam
châm
Tam giác cân
Đỉnh cao
nhất
Cảm ứng

English for Electrical Engineering- Glossary – D08 - K50


13

Field structure

14

Commutation

15

Iron laminate

16
17

18
19
20

Pole shoe
Pole face
Coaxial
Field coil
Exciting current

21

Self-excited

22

Commutator

23

Brush

24

Brush holder

25
26

Spring pressure

Dynamo

27
28

Slot
Self inductance

29

Mutual
inductance

30
31

Commutator
segment
Sparking

32

Interpole

33

Non-inductive
armature coil

34

35

Cyclindrical core
Electromagnetic

Khung cảm
ứng
When a commutator segment passes under a brush, Đảo mạch
the current in the armature conductor connected
with it must reverse from a given value in one
direction to the same value in the opposite.
Iron material constructed by uniting two or more
Lá thép mỏng
layers of material together
Má cực
Mặt cực
Two or more forms share a common axis
Đồng trục
Cuộn từ
Is that which flows in any winding used to excite
Dòng kích
the transformer when all other windings are opencircuit.
Excited by field current supplied from its own
Tự kích
armature
An electrical switch that periodically reverses the
Bộ góp
current in an electric motor or electrical generator
Are general made of grapitized carbon
Chổi quét,

chổi than
A structure in which a brush can slide in a
Kẹp chổi than
direction perpendicular to the moving surface of a
motor, generator, or other device.
A generator, especially one for producing direct
current.
A narrow opening; a groove or slit
The ratio of the magnetic flux to the current is
called the inductance, or more accurately selfinductance of the circuit.
When an e.m.f is produced in a coil because of the
change in current in a coupled coil , the effect is
called mutual inductance.

Nén lò xo
Máy đinamô
Rãnh,khía
Tự cảm
Hỗ cảm
Đoạn đổi nối

The luminous phenomenon resulting from a
disruptive discharge through an insulating
material.

Phenomena in which a change of magnetic field

Đánh tia lửa
Cực trung
gian,cực từ

phụ
Lõi phần ứng
không điện
cảm
Lõi hình trụ
Cảm ứng

English for Electrical Engineering- Glossary – D08 - K50


induction

induces an electric field or electromotive force
(EMF); the basis of the electric generator.
A method of making an electrical connection
through a rotating assembly
An electromechanical device that converts
mechanical energy to alternating current electrical
energy.
The stationary part of an electric generator or
electric motor.

36

Slip ring

37

Alternator

38

Stator

39
40

Synchronous
motor
Energizer

Its rotor spinning at the same rate as the oscillating
field which drives it
A device that supplies electrical energy

41

Exciter

42

Inductor

43

Wiper

An outboard effects device that uses phase
manipulation and harmonic distortion to produce
high-frequency enhancement of a signal.

A passive electronic component that depends on
frequency . A tool used to store energy in the form
of Magnetic Field . Inductor is made from a
conducting straight wire wrapped around itself
several turns
Contact consisting of a conducting arm that rotates
over a series of fixed contacts and comes to rest on
an outlet

44

Induced current

45

Energized current

46

Field current

47

Spinner

48

Shunt dc
generator

49

Tandem

50

Single phase
generator
Flywheel
magneto

51

điện từ
Vòng
mỏng83
Máy phát
điện9 xoay
chiều
Xtato,phần
tĩnh trong
máy phát
điện
Động cơ
đồng bộ
Thiết bị cung
cấp năng
lượng, pin
energizer
Bộ kích thích

Phần cảm
điện

Cần gạt
Dòng điện
cảm ứng
Dòng điện
hoạt động
mạnh
Dòng điện
trường
Máy quay

A rotating electric machine that converts
mechanical power into dc power with the method
of connecting field windings in parallel with the
armature. The shunt DC motor is commonly used
because of its excellent speed regulation
An arrangement of two or more persons or objects
placed one behind the other

Máy phát
một chiều
mắc sơn
Mắc cái trước
cái sau
Máy phát một
pha
Man nét tô

bánh đà

English for Electrical Engineering- Glossary – D08 - K50


52

Three-phase
power system

Hệ thống
năng lượng 3
pha

Unit 10
TRANSFORMERS
No Term
1
Static transformer
2

Luminous charge/discharge
tube

3
4

X ray equipment
Insulated copper wire

5
6

Laminated iron core
Primary winding

7

Secondary winding

8
9

Turn
No-load operation

10

Reactance coil

11

Exciting current

12

Full-load current

13

Hysteresis

14

Eddy current

15

Varying flux density

16

Load current

17
18

Leakage flux
Voltage drop

Explanation
A device which transforms lowvoltage energy into high-voltage
energy or vice versa.
A form of lamp in which the light
is obtained from an electric
discharge between two electrodes
in a glass tube containing gas at
low temperature

The winding to which an AC

supply is connected
The winding to which the load is
connected
The case when the primary
winding is connected to an a.c
supply with the secondary winding
open
Choking coil

A delayed response by an object to
changes in the magnetic forces
acting on it
An electric current set up by an
alternating magnetic field

The reduction in voltage in an

Translation
Máy biến thế tĩnh
Đèn huỳnh quang

Thiết bị tia X
Dây đồng bọc
cách điện
Lõi thép lá
Cuộn sơ cấp
Cuộn thứ cấp
Vòng dây
Chế độ hoạt động
không tải

Cuộn dây điện
kháng
Dòng điện kích
thích
Dòng điện toàn
tải
Từ trễ
Dòng Phuco
Mật độ từ thông
biến đổi
Dòng điện (phụ)
tải
Từ thông rò
Điện áp rơi, sự

English for Electrical Engineering- Glossary – D08 - K50


electrical circuit between the
source and load
19
20

Leakage-reactance
Equivalent circuit

21

Transformer-equivalent
circuit

22
23

True transformer
Iron loss

24

Copper loss

25
26

31

Deteriorate
Dry natural cooled
transformer
Dry force-air cooled
transformer
Oil-immersed self-cooled
transformer
Oil-immersed forced-air
cooled transformer
Oil-immersed water cooled
transformer
Lamination

32

Autotransformer

33

Induced voltage

34

Turns ratio

35

Schematic

36

Be omitted from
consideration
Grade
Step-up transformer

27
28
29
30

37
38

The simplest form of a passive
circuit that retains all of the
electrical characteristics of the
original (and more complex)
circuit.

The loss is due to a variety of
mechanisms related to the
fluctuating magnetic field, such as
eddy currents and hysteresis.
the losses due to resistance in the
conductors of the windings
Break down, become less efficient

The thin sheet of metal used to
make up the core of an iron-core
transformer
A transformer that does not change
the value of voltage
The kind of voltage produced
across the secondary winding of
any transformer
The number of turns of wire of a
transformer’s secondary winding
compared to the number of
primary-winding turns
Containing only the essentials,
brief
Be neglected, be not considered
Type, quality

The transformer which transform a
lower voltage to a higher one

sụt áp
Điện kháng rò
Mạch tương
đương

Mạch tương
đương với máy
biến thế
Máy biến thế thật
Tổn hao sắt

Tổn hao đồng
Bị hỏng
Biến áp khô làm
mát tự nhiên
Biến áp khô làm
mát bằng khí
Biến áp dầu tự
làm mát
Biến áp dầu làm
mát bằng khí
Biến áp dầu làm
mát bằng nước
Thép lá
Biến áp tự ngẫu
Điện áp cảm ứng
Tỉ số vòng dây

Sơ đồ, lược đồ
Bỏ qua
Mức, loại, cấp
Máy tăng thế

English for Electrical Engineering- Glossary – D08 - K50


39

Step-down transformer

The transformer which transform a
higher voltage to a lower one

Máy hạ thế

UNIT 11
THE PROBLEM OF MEASUREMENT ELECTRICAL INSTRUMENTS
No
1

Term
Angular response

2
3

Auxiliary circuit

Calibration

4

Deflection

5
6

Degree of precision
Electrical measuring
instrument
Error

7
8
9
10
11

Explanation
Phản hồi góc
Mạch phụ
Thang đo, bảng quy
chuẩn

Relation between the respond of the
instrument and the quantities causing
the respond.
The movement of a structure or a part of Lệch

a structure when it is bearing a load.
Độ chính xác
Thiết bị đo điện
Differences between the correct result
and that obtained.
Point of balance of rest.

14

Equilibrium
Fixed scale
Full- wave
Four- element bridgetype rectifier
Hairsprings
The slender recoil spring which
regulates the motion of the balance in a
timepiece.
Indicator
An instrument or gauge that measures
( pointer)
sth and registers the measurement.
Jewel cups

15
16
17

Moving coil
Multiplier
Pivot

18
19
20

Reaction
Sensing element
Shunt

21

Spring

22

Spindle

12
13

A pin, shaft, or point on which
something turns
An element that can detect
Resistor or conductor connected in
parallel with another device
A resilient metal coil that will store
energy when compressed and release
energy when returning to its original
shape. Use: for cushioning, in
clockwork

A thin cylindrical rod which serves a an
axis of rotation or itself rotate

Sai số
Trang thái cân bằng
Thang cố định
2 nửa chu kì
Bộ chỉnh lưu mạch
cầu bốn đi- ốt

Kim chỉ
Ổ chân kính (giảm
ma sát để kết quả
đo chính xác)
Cuộn chuyển động
Điện kế nhân
Trục
Tương tác
Bộ phận cảm ứng
Mắc sơn
Lò xo

Trục

English for Electrical Engineering- Glossary – D08 - K50


23

Thermocouple

A device for measuring temperature in
which 2 wires of different metals are
joined.
The potential difference between the
wires is a measure of the temperature of
sth they touch.

24
25
26

Turn in bearing
Vane
Galvanometer

27

Voltmeter

28

Ammeter

29

Ohmmeter

30

Wattmeter

31

Electricity meter

32

Multimeter

33

Oscilloscope

A thin surface that can be detected
An instrument used to detect or measure
the strength and direction of small
electric current by mean of a coil in a
magnetic field that moves a pointer or
light.
An instrument measuring voltages or a
voltage sensitive device.
An instrument calibrated in volts that
measure the electromotive force or
potential difference between 2 points in
a circuit.
An instrument measuring electrical
current or a current sensitive device
An instrument measuring electrical
resistance

Instrument measuring electrical power
An instrument measuring electrical
energy
An instrument can measure voltage,
current ... in the same device
Device for showing waveform

Cặp nhiệt điện

Quay theo trục
Cánh quạt

Vôn kế

Ampe kế
Ôm kế
Oát kế
Công tơ mét
Thiết bị đo đa năng
Máy hiện sóng,
máy hiển thị dao
động

34

Oscillator

Any device or circuit for producing
electric oscillations, whether of current
or voltage.

Máy tạo dao động

35

Electrodynamometer
( electrodynamic
instrument)

A device for measuring the strength of
Thiết bị đo sử dụng
an electric current by the magnetic force nguyên tắc điện
it induces in a coil.
động

UNIT 12: ELECTRIC POWER SYSTEMS
No Term

Definition

1

The voltage at that point when we reach an
Hiệu điện thế
equilibrium between costs and saving is the most tối ưu

Optimum
voltage

English for Electrical Engineering- Glossary – D08 - K50

favorable
2

Breaker

3

Bus bar

4

Grid system

A device that can automatically stop the flow of
electricity in a circuit if there is too much current
to operate safely. ( switches, circuit breakers)
- an electrical conductor or group of electrical
conductors used as a connector in a circuit,
especially as a bus in a computer system
- Short conductor forming a common junction
between two or more circuits
Electrical network of 132kV and 33kV lines

5

Standing loss

Costs of keeping plant ready but inactive

6

Pilot – plant
stage

The phase of experimentation in trial unit

Nozzle

Bộ ngắt,
cầu dao
Cầu nối mạch,
thanh dẫn

Hệ thống lưới
điện, mạng lưới
Hao phí ở chế độ
chờ
Giai đoạn thử
nghiệm

7
8

Condenser

a short tapered tube that directs or accelerates
the flow of a fluid
Apparatus for converting a vapor to a liquid

9

Fission

The act or process of splitting up into parts

Prime mover

- Engine or motor in which equipment reaches
full efficiency
- Energy converter: a machine that converts
energy from a natural or physical source in order
to power equipment such as a windmill or
turbine
- Lake or tank for storing water: a large tank or
natural or artificial lake used for collecting and
storing water for human consumption or
agricultural use

Ống phun
Bình ngưng, giàn
ngưng
Phân hạch

10
Động cơ chính

11

Reservoirs

12

Generating
station
Three - phase
system

Nhà máy điện

Hệ thống 1 pha

15

Single - phase
system
Turbine

16

Shaft

13
14

Hồ chứa

Hệ thống ba pha

Machine powered by rotating blades: a machine Tua bin
in which a moving fluid such as steam acts on
the blades of a rotor to produce rotational motion
that can be transformed to electrical or
mechanical power
rotating rod in machine: a rotating rod that
Cần
provides motion or power for a machine
English for Electrical Engineering- Glossary – D08 - K50


17

Bearing

18
19

Casing
Furnace

20

Boiler

21

Vessel

22

23

Conventional
plant
Hydroelectric

24

Hydraulic

25

Impulse turbine

26

Vane

27
28

Kinetic
Pylon

29

Supply pylon

Cột tháp điện

30

Stranded
copper
conductor
Hollow copper
conductor
Sub-station

Dây dẫn đồng
xoắn

31
32
33

Underground
distribution

34

Hydro-

housing for moving machine part: the part of a
machine that supports a sliding or rotating part
Outer covering
enclosure producing great heat: a device in
which heat is produced by burning fuel either to
warm a building or to undertake an industrial
process such as smelting metal

water-heating tank: a large tank in which water
is heated and stored, either as hot water or as
steam, and used for heating or generating power
receptacle: a hollow receptacle, especially one
that is used as a container for liquids

Gía đỡ
Vỏ bọc
Lò

Lò hơi
Ống
Nhà máy

generated by water power: generated by
converting the pressure of falling or running
water to electricity by means of a turbine
coupled to a generator
driven by fluid: relating to or operated by a
device in which pressure applied to a piston is
transmitted by a fluid to a larger piston, so as to
give rise to a larger force

Thủy điện

Chạy bằng sức
nước
Tua bin xung

rotating blade: a flat blade mounted as part of a

set in a circle so as to rotate under the action of
wind or liquid
Relating to motion
metal tower supporting high-voltage cables: a
tall metal tower typically made of crisscrossing
steel bars that supports high-voltage cables
across a long span

Pertains to water

Cánh quạt, chong
chóng gió
Động học
Cột tháp, cột điện
cao thế

Dây dẫn đồng
rỗng
Đài con,
trạm con
Phân phối điện
ngầm, mạng phân
phối ngầm
Liên quan tới
nước

English for Electrical Engineering- Glossary – D08 - K50


35

psi

Pounds per square inch

Pao trên insơ
vuông ( đơn vị đo
áp suất )
Phân hạch ng. tử

36

Atomic fission

The splitting of atom

37

Neutron

Nơ tron

38

Control rod

39

Megawatt

- elementary particle without electric charge: a
neutral elementary particle of the baryon family
with a zero electrical charge and a mass
approximately equal to that of a proton
- particle used to produce atomic fission
- Regulate the amount of heat produced by
atomic fission
- Rod used to control nuclear fission: a rod or
cylinder made of or containing neutronabsorbing material such as graphite, used to
control the rate of fission in a nuclear reactor
1,000,000 watts

40

Wye and delta

Connections used with three-phase transformers

41

Fusion

heating and liquefying something: the molten
state of a substance, or the change it undergoes
to become molten

Mắc hình sao và
hình tam giác
Nhiệt hạch

42

Nuclear fusion

43

Coal conveyer

Atomic combination that releases energy: the
process in which light atoms such as those of
hydrogen and deuterium combine and form
heavier atoms, releasing a great amount of
energy, which primarily manifests itself in the
form of heat
A device that transports or transmits coal

44

Stocker

45

Pulverizer

46
47

Coal ash
Air preheater

48

Electrostatic
precipitator

49

Smokestack

Ống khói

50

Cooling tower

Tháp làm lạnh

Cần điều khiển

Tổng hợp hạt
nhân

Băng tải than
Khoang chứa

A component used to crush or grind something
into a powder or dust, or be crushed or ground
into a powder or dust
Component to preheat air

Nạp liệu
Bụi than
Bộ hâm sấy ko
khí
Khử bụi tĩnh điện

English for Electrical Engineering- Glossary – D08 - K50


English for Electrical Engineering- Glossary – D08 - K50