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Commonly used English word classification in the electrical industry

2019-06-10


1.Electric items

2.Lines (Bus , circuits)

3. Equipments

4. Protection , relays

5. Electric instruments

6. Lightning protection

7. Grounding , earthing

8. Room , Substation

9. Equipments of electric repair

10. Material

1. Electric items

1

Alternating (direct) current

Short-circuit current

Initial subtransient short-circuit current

Impulse current

Steady state short-circuit current

Critical current

Rupturing current

Blow-out current

Fault current

Calculating current

Limit effective current

Over current

Inverse current

Setting current

Rated current

Current density

Maximum effective value of short-circuit current

High-voltage , High-tension

Low-voltage , Low-tension

Calculating voltage

Exciting voltage

Impulse voltage

Critical voltage

Residual voltage

Puncture voltage

Pulsating voltage

Supply voltage

Power voltage

Lighting voltage

Filament voltage

Rated voltage

Voltage loss

Over (under) voltage

Line voltage

Voltage drop

Working voltage

Primary voltage

Secondary voltage

Electric source (power supply)

Power supply for process control

6kV Flashing supply for 6kV control

Working power supply (electric source)

Emergency power supply (electric source)

Stabilized D.C. source

Control supply

D.C. source

A.C. source

Load calculation

Installed capacity

Electric demand

Power factor

Mounting height

Breakdown voltage

High-voltage test with working frequency

Surface flash-over

D.C. leakage

Volume resistivity

Dielectric loss angle

Puncture intensity

Voltage grade

Specific gravity

Feature

Phase sequence

Instantaneous

Angle of inclination

Span

Positive pole

Negative pole

Cross section area

Auxiliary source

Interrupting capacity

Current-carrying capacity

Correction factor

Continuous load

Continuous capacity

Longtime rating

Locked-rotor motor current

Limited load

Inductive load

Induced current

2.Lines (Bus , circuits)

2

Bus-bar

Closing power source bus

Flashing-bus

Spare bus

Post-supported plug-in bus way

Hook-supported plug-in bus way

Bracket-supported plug-in bus way

Miniature bus

Power supply miniature bus

Operating miniature bus

Miniature bus for fault signal

Flashing miniature bus

Main bus

D.C. main bus

Prewarning bus

Main line

Lighting main line

Grounding main line

Receptacle main line

Voltage main line

Terminal outgoing

Neutral

Branch-line

Lead-in

Electric circuit

A.C. distribution circuit

D.C. distribution circuit

Emergency lighting circuit

Control circuit

Grounding or neutralizing circuit

Signal circuit

Grounding with grounding electrodes

Temperature measuring circuit for stator winding

Grounding signal circuit

Flashing-signal circuit

Circuit for opening valve

Circuit for closing valve

Circuit for opening meter

Current-measuring circuit

Differential protective circuit

Over-current protective circuit

Closing circuit

Delayed shutdown circuit

Trip circuit

Exciting circuit

Spare circuit

Main circuit

Feeder circuit

Existing circuit

Single-wire circuit

Earthed circuit

Live circuit

3. Equipments

3

H.V. switchgear

Power distribution cabinet

Source distribution cabinet

D.C. switchboard (distribution panel)

A.C.L.V. switchboard (distribution panel)

Static capacitor cabinet

Receptacle box for miscellaneous power supplies

Control cabinet

Lighting (distribution panel)

Junction box

Outlet box

Switch box

Console

Sectionalizing panel

Incoming line panel

Electric control panel

Side board

Terminal box

Power supply box

Synchronizing cabinet

Special transformer H.V. cabinet for induction voltage regulator

Potential transformer cabinet

Signal panel

Floating panel

Battery panel

Charging panel

Bus tie cabinet

Transfer switch

Voltmeter change-over switch

Metal-clad switch (Iron-clad switch)

Cartridge fuse

Vacuum circuit breaker (V.C.B.)

Automatic switch

H.V. load break switch

3-pole HV circuit-breaker

Knife switch

Transfer switch

2-pole iron-clad switch

Fan speed regulator switch

Hermetic lighting switch

Explosion-proof lighting switch

Limit switch

H.V. disconnecting switch

Surface-mounted single-pole toggle switch

Flush-mounted single-pole toggle switch

Three-way switch

Hermetic packet type switch

Guard type switch

Interlock switch

Selecting switch for types of operation

Switch for control supply

Master switch (controller)

Multi-point change-over switch

Push-button

Control push-button

Explosion-proof control push-button

Emergency stopping push-button

Starting push-button

Stopping push-button

Push-button in field

damper

Push-button for sound release

Starter

Magnetic starter

Combination starter (Magnetic starter combination)

Power Transformer

Voltage regulating transformer

Potential transformer

Current Transformer

Lighting transformer

3-phase tertiary winding transformer

H.V. testing transformer

Local lighting transformer

Multi-range current transformer for measurement

Step-down transformer

Servo-motor

Dual-voltage motor

Induction motor

A.C. asynchronous motor

synchronous motor

3-phase slip-ring induction motor

3-phase squirrel-cage induction motor

Wound-rotor induction motor

Reaction motor

Diesel generator

Excitation generator

Surface-mounted 2-pole receptacle

Flush-mounted 2-pole receptacle

2-pole receptacle with grounding contact

Surface-mounted single phase 3-pole receptacle

Guard type surface-mounted 3-phase 4-pole receptacle

Standard dome lighting fitting

Enameled high bay lighting fitting

Water and dust proof lighting fitting

Safety lighting fitting

Explosion-proof lighting fitting

Goose-neck light

Wall light

High pressure mercury vapor lighting fitting

Flood-light (projection light)

Signal lamp

Ceiling-mounted lighting fitting

Local lighting fitting

Lamp holder

Emergency lighting fitting

H.P. mercury fluorescent lighting fitting

Wide lit type industrial fitting

High bay lighting fitting

Incandescent lamp (bulb)

Globe lamp

flush type fluorescent lighting fitting

Red obstruction lamp for aviation

Street lighting in plant area

Street lamp

Inspection hole lamp

goose-neck post lamp , pole lamp

Semigraph and alarm signal

Selsyn

Exciter

Display

Potentiometer

Internal resistance

() Fixed resistance

Release , trip

Shunt trip

Special no-voltage release

" Or" switch amplifier

Brake

Capacitor

Rectifier

Chock

Shunt

Oil immersed rheostat

Frequency sensitive rheostat

Sliding rheostat

Buzzer

Space heater (for motor)

Motor operating mechanism for air circuit-breaker

Silicon controlled rectifier excitation device

Protective device (element)

Flashing device

Lightning arrester

Phase failure protection

4.Protection , relays

4

Signal relay

Over-current relay

Voltage relay

Time relay

Auxiliary relay

Thermal relay

Temperature relay

Gas relay

Auxiliary relay for control supply

Relay for auto-operation

Under-voltage relay

Over-voltage relay

Interlock relay

Impact relay

Close position relay

Reverse-current relay

Differential current relay

Differential relay

Current relay

Power relay

Earthing relay

Reclosing relay

Synchronous relay

Quick acting relay

Definite time relay

Photoelectric relay

Electronic relay

Electromagnetic relay

Electrodynamic relay

Gas-pressure relay

Relay N.O. contact

Relay N.C. contact

() Relay holding contact (N.O.)

Self-return button with N.C. contact

Contact for semigraph signal

Shock excitation contact

Induction coil

Current coil

Trip coil

Close coil

Releasing coil

Tripping coil

Prewarning signal

Breakage signal of trip circuit

Fault trip signal of breaker

Tripping audible signal

Heavy gas prewarning signal

Temperature prewarning signal

. Fault signal in manual/automatic operation

Protective trip

Control trip

Manual trip

Emergency shutdown at substation

Fault in process

Fault in excitation

No-voltage alarm of working electric source

On and off of working electric source

Throw-in of working electric source

supply of emergency electric source

Indicating of operation

Indicating of throw-in

Indicating of synchronism

Delayed shutdown

Switch off the power supply

Instantaneous trip and over-current off/on

Self-holding

Self-lock

Interlocking

Insulation supervision

Voltage supervision

Release of interlock

. Transfer of working and emergency power supply

Synchronization of generator to working bus

Heavy gas protection

Over-torque protection during opening and closing valve

Sequence of motor starting

Name plate denotation (inscription)

5. Electric instruments

5

Ammeter

Voltmeter

Three-phase three-wire kilowatt-hour meter , kWh meter

Single-phase kilowatt-hour meter

Three-phase kilovar-hour meter

Active power meter , kilowatt meter

Reactive power meter , kilovar meter

Three-phase watt meter

Power factor meter

Frequency meter

Galvanoscope

Ohmmeter

Phase meter

Tachometer

Wave-length meter

3-phase 4-wire standard watthour-meter

Overload ammeter

Low power-factor wattmeter

A.C./D.C. multi-purpose tongtester

Megger , Megohmmeter

Avometer

Microammeter

Milliammeter

Various kind of measuring instruments

Earthing resistance tester

Vacuum tube voltmeter

Electric second-meter

6. Lightning protection

Lightning protector

Lightning rod

Strap type lightning protector

Network of lightning protector

Lightning rod support

Tip of lightning rod

Brace for lightning rod

Lightning arrester , surge discharger

Spherical arrester

Tubular arrester

Auto-valve arrester

Low voltage arrester

Horn arrester

Multigap arrester

Aluminum cell arrester

Oxide film arrester

Puncture lightning arrester

Lightning stroke

Direct lightning stroke

Induction lightning stroke

Thunderbolt days

Lightning and thunder probability

Electric shock

Electrostatic induction

7. Grounding , earthing

Ground protection , earth protection

Grounding for lightning

Protective earthing

Artificial grounding

Working grounding , working earthing

Multiple earthing

Screen earthing , shielding ground

Neutral point grounded

Grounding system , earthing system

Ground fault , earth fault

Single phase earthing

Bus ground

Grounding device , earthing device

Down-lead , down conductor

Clamping plate of support for fixing

Down lead

Support for fixing down lead

Ground connector

Ground(ing) main , (bus)

Grounding network , earthing network

Earth electrode (pole)

Earth resistance

Earth (ground) circuit

Connecting strip

Connecting clamp

8. Room , Substation

8

Storage

Compartment

Battery room

Control room

Distribution room

Repair room

Substation

H.V. distribution room

Rest room

9. Equipments of electric repair

Emery wheel grinder

Bench drilling machine

A.C. welding machine

Portable air compressor

Electric hand drill

Single speed hand winding machine

Wire jointing press-clamp

Hydraulic jack

Electric dust cleaner

Store chest

H.V. testing transformer

Leakage testing set

Strong current generator

Oil-immersed self-cooled induction voltage regulator

Multi-range current transformer for measurement

Instrumental Voltage Transformer

Single-phase auto-transformer

3-phase auto-transformer

Silicon rectifier

Testing stand for instrument

Relay and contactor testing stand

Slow scanning oscillograph

A.C. electronic voltage stabilizer

Portable A.C. electric bridge

Earthing resistance tester

Cable fault detector

D.C. single-arm electric bridge , Wheatstone bridge

10. Material

Insulating tape

Filler , packing

Insulating compound

Cable compound

Anti-corrosive oil

Bituminous varnish

Insulating varnish

Enamel varnish

Non-ferrous metal

ferrous metal

White metal

Mica

Epoxy resin

Polyvinyl chloride , PVC

Wax

Talc powder

Bakelite

Polyacrylic cover

Oil-proof rubber tubes

Grounding copper wire

Pad

Plastics insulated wire

Rubber sheathed cable

Splice

Filling agent

Insulated wire

Movable flexible cable

Extension wire

Bushing

Busway

Cable suspension

Trolley conductor

Galvanized gas pipe

Galvanized steel angle

Galvanized steel strap

Steel wire rope

Siren

Electromagnetic valve

Connecting link

Transfering link

Terminal board

Semiconductor diode

Opening meter

Logical element

Junction box

Instrument trunking

Cable hanger

Outgoing line sleeve



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JOHN CHANG

Mr. JOHN CHANG

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