For control equipment number
Shizuoka Institute of Science and Technology, Faculty of Science and Technology, Department of Electrical and Electronic Engineering power conversion equipment laboratory I think that you open the control panel, that there are people who saw a are stuck number of equipment Yara Yara 52G 54P to such magnet and breaker. There is that "this alphabet and numbers to mean? wonder what" and I suffered a long time ago. These numbers are settled in "The Japan Electrical Manufacturers Association Standard JEM1090" and "control device number".
Table 1 Basic instrument number
Basic
instrument number
|
Device
name
|
Description
|
One
|
Switch or master controller
|
Those that start the start and
stop of major equipment
|
Two
|
Closing delay relay or starting or
closing relay limit during start-up or
|
What gives a margin of time before
the start to the closing or start-up or assumed by the time setting of the
closing before the start or start-up
|
Three
|
Operating switch
|
Those that operate the equipment
|
Four
|
Relay or the main control circuit
for controller
|
Which performs the opening and
closing of the main control circuit
|
Five
|
Relay or stop switch
|
What you want to stop the
equipment
|
Six
|
Starting relay breaker, switch, or
contactor
|
Shall be connected to the starting
circuit machine
|
Seven
|
Adjustment switch
|
Used to adjust the equipment
|
Eight
|
Control power switch
|
Which opens and closes the control
power
|
Nine
|
Relay field 磁転 pole switch, or contactor
|
Which to reverse the direction of
the field current
|
Ten
|
Program controller or switch order
|
Shall provide for the order of the
start or stop of equipment
|
Eleven
|
Relay or switch test
|
Intended to test the operation of
the equipment
|
Twelve
|
Relay or overspeed switch
|
Those which operate at overspeed
|
13
|
Relay or switch synchronous speed
|
Those that operate at or near
synchronous speed synchronous speed
|
14
|
Relay or low-speed switch
|
Which is operated at a low speed
|
Fifteen
|
Speed 設整 equipment
|
Used to adjust the speed of the
rotating machine
|
Sixteen
|
Display line monitoring relay
|
Designed to detect the failure of
the display line
|
17
|
Display line relay
|
Which is an object that is used to
render line relay system
|
18
|
Decelerating relay or acceleration
or deceleration or acceleration contactor
|
When the deceleration becomes a
predetermined value or the acceleration, which is advanced to the next step
|
19
|
Relay start-up, or the operation
changeover contactor
|
Thing to switch from driving to
start the equipment
|
Twenty
|
Auxiliary valve
|
Main valve of the accessory
|
21
|
Main engine valve
|
Main valve of the main engine
|
22
|
Relay earth leakage breaker, or
contactor
|
those that cut off the AC circuit
operation or when leakage occurs
|
23
|
Relay or temperature adjusting
device
|
Which is kept within a certain
range the temperature
|
24
|
Tap switching device
|
That switching the taps of the
electrical device
|
25
|
Synchronization detection
equipment
|
Used to detect the synchronization
of the AC circuit
|
26
|
Relay or static device temperature
switch
|
Intended to operate when it is
below the temperature transformers, rectifiers, etc., or predetermined value
or
|
27
|
AC undervoltage relay
|
shall be activated when the AC
voltage is insufficient
|
28
|
Alarm device
|
Those that operate when the alarm
sounds
|
29
|
Fire fighting equipment
|
Intended to operate for the
purpose of extinguishing
|
Thirty
|
Failure display device or state of
equipment
|
Which displays the operating
status or failure of equipment
|
31
|
Relay field change breaker,
switch, or contactor
|
The ones that change the size of
the excitation and field circuit
|
32
|
DC reverse-current relay
|
intended to operate when the DC
flows in the opposite
|
33
|
Equipment or position detection
switch
|
Those that open and close in
conjunction with the position
|
34
|
Electric order controller
|
Shall provide for the operation
sequence of the major equipment stop running or start-up
|
35
|
Slip ring brush short-circuit or
device operating device
|
Intended to short-circuit the slip
ring or those moving or lifting the brush
|
36
|
Polarity relay
|
Shall be operated by the polarity
|
37
|
Under current relay
|
shall be activated when the
current is insufficient
|
38
|
Relay or bearing temperature
switch
|
Shall be activated when the
threshold value or more, or the temperature of the bearing becomes a
predetermined value or less
|
39
|
Detection switch or mechanical
abnormality monitoring device
|
Used to detect or monitor the
mechanical anomalies of the device
|
Forty
|
Field loss relay or field current
relay
|
Used to detect the field or loss
shall be re-operation I to the presence or absence of the field current
|
41
|
Contactor field circuit breaker,
or switch
|
Thing except this or give
excitation to the machine
|
42
|
Contactor operation breaker, or
switch
|
Shall be connected to the circuit
driving the machine
|
43
|
Relay control circuit change-over
switch, or contactor
|
Those to switch the control
circuit, such as transfer from automatic to manual
|
44
|
Distance relay
|
Intended to re-operate'm on the
distance to the ground fault or short circuit point
|
45
|
DC overvoltage relay
|
Those operating in the overvoltage
of the DC
|
46
|
Unbalanced current relay phase or
reverse phase
|
Those that operate at unbalanced
current phase or reverse phase
|
47
|
Reverse-phase voltage relay or
open-phase
|
Shall be activated when the
reverse-phase voltage or phase loss
|
48
|
Congestion detection relay
|
Intended to operate when it is not
performed any operation for a predetermined time within a defined
|
49
|
Overload relay or relay or
temperature switch rotary machine
|
Intended to operate when the
device is overloaded or which operates when it becomes less temperature of
the rotating machine or a threshold value or more
|
Fifty
|
Ground fault relay selection or
selective relay short circuit
|
What you want to select a ground
fault circuit or short circuit
|
51
|
Ground fault overcurrent relay AC
or overcurrent relay
|
Those that operate in the land
(ground) fault current over-current or alternating
|
52
|
AC contactor or breaker
|
Shall be cut off and the open and
close the AC circuit
|
53
|
The excitation or excitation relay
relay
|
Those operating in the state plan
of an excitation or excitation
|
54
|
High-speed circuit breaker
|
Shall be cut off at high speed DC
circuit
|
55
|
Power factor relay or automatic
power factor regulator
|
Those that operate at a specified
power factor or intended to be adjusted to a certain range over rate
|
56
|
Step-out relay or slip detector
|
Used to detect loss of
synchronization, or those operating at the expected slip
|
57
|
Current relay or automatic current
regulator
|
Those which operate at a specified
current or which is adjusted to the range of the current
|
58
|
(Preliminary number)
|
|
59
|
AC overvoltage relay
|
Those that operate on AC
overvoltage
|
Sixty
|
Voltage balance relay or automatic
voltage regulator equilibrium
|
Those which operate at
predetermined voltage difference or those kept in a certain range a voltage
difference between two circuit
|
61
|
Current balance relay or automatic
current balancing regulator
|
Those operating plans current
difference or those kept between a certain current difference of two circuit
|
62
|
Open relay delay or stop relay or
open limit or stop time
|
What gives a margin of time to
open before or stop or assumed by the time setting of open before or stop
|
63
|
Relay or pressure switch over
|
Those which operate at a
predetermined pressure
|
64
|
Earth (ground) fault voltage relay
|
Shall be re-detection'll voltage
to ground fault
|
65
|
Speed governing device
|
Used to adjust the speed of the
prime mover
|
66
|
Intermittent relay
|
Shall be repeated opening and
closing the contacts in a specified period
|
67
|
Earth fault directional relay or
AC power direction relay
|
Shall be operated by a ground
fault direction or direction of power AC circuit
|
68
|
Contamination detector
|
Designed to detect that the other
material is mixed into the fluid
|
69
|
Relay or flow switch
|
Shall be operated by the flow of
fluid
|
70
|
Rheostat
|
Resistor to moderate
|
71
|
Rectifying device fault detection
device
|
Used to detect the failure of the
rectifying element
|
72
|
DC contactor or breaker
|
Shall be cut off and the open and
close the DC circuit
|
73
|
Contactor or short circuit breaker
|
Intended to short-circuit and
current limiting resistance, anti-vibration resistance
|
74
|
Regulating valve
|
Valve to adjust the flow rate of
the fluid
|
75
|
Braking device
|
Those that brake the machine
|
76
|
DC overcurrent relay
|
Those that operate in over-current
of the DC
|
77
|
Load adjusting device
|
Used to adjust the load
|
78
|
Transport phase comparison
protection relay
|
Shall be re-compared to the I
carrier wave phase difference between the current of the protected segment pins
|
79
|
AC reclosing relay
|
Used to control the re-closure of
the AC circuit
|
80
|
DC undervoltage relay
|
those that operate when the DC
voltage is insufficient
|
81
|
Governor drive
|
Device for driving a speed
governor
|
82
|
DC reclosing relay
|
Used to control the re-closure of
the DC circuit
|
83
|
Relay selection switch, or
contactor
|
What you want to select a certain
state of the device or select a certain power
|
84
|
Voltage relay
|
Those that operate at a specified
voltage of the AC circuit or DC
|
85
|
Signal relay
|
Reception or transmission relay
|
86
|
Lockout relay
|
those that block the response of
the device when an error has occurred
|
87
|
Differential relay
|
Intended to re-operate on the
ground I 絡差
current or short circuit
|
88
|
Relay auxiliary breaker, switch,
or contactor
|
Relay operation for breaker
auxiliary equipment, switch, or contactor
|
89
|
Load switch or disconnector
|
Load switch or AC circuit for
disconnecting switch or DC
|
Ninety
|
Automatic voltage regulating relay
or automatic voltage regulator
|
Used to adjust the range of the
voltage
|
91
|
Power relay or automatic power
regulator
|
Those which operate at a specified
power or which is adjusted to the range of power
|
92
|
Damper or door
|
Such as wind tunnel door or
entrance door
|
93
|
(Preliminary number)
|
|
94
|
Free relay or contactor tripping
|
Operation of the device is one
that can be freely trip even closed during operation
|
95
|
Frequency relay or automatic
frequency regulator
|
Those operating at the specified
frequency or which is adjusted to the range of frequency
|
96
|
Static Apparatus internal fault
detection device
|
Designed to detect an internal
fault of the stationary unit
|
97
|
Runner
|
Such as Kaplan water turbine
runner
|
98
|
Coupling device
|
Which transmits power to connect
the two devices
|
99
|
Automatic recording device
|
Automatic oscillograph, automatic
operation recording device, automatic recording device failure, and fault
localization device
|
2 auxiliary symbol table
Auxiliary
symbol
|
Content
|
Example
|
Description
of cases
|
A
|
Interchange
|
8A
|
AC control power switch
|
Automatic
|
43A
|
Automatic and manual changeover
switch
|
|
Air
|
63A
|
Pressure relay
|
|
Anode
|
54A
|
Anode for high-speed DC
circuit-breaker
|
|
Actuator
|
63QA
|
Hydraulic relay (for actuator)
|
|
Amplification
|
88AGM
|
Amplification generator driving
the electric motor contactor
|
|
Current
|
90CA
|
Automatic voltage regulator
dexterity current compensation device
|
|
B
|
Disconnection
|
16B
|
Display line break detection relay
|
Bypass
|
21B
|
Bypass valve
|
|
Equilibrium
|
21BV
|
Balance valve spherical valve
|
|
Bell
|
28B
|
Bell relay
|
|
Belt
|
33B
|
Belt disconnect switch
|
|
Battery
|
72B
|
Battery charging apparatus for a
DC circuit breaker
|
|
Bus
|
87B
|
Bus protection differential relay
|
|
Braking
|
88AB
|
Braking air compressor contactor
|
|
Bearing
|
88GB
|
Bearing grease pump contactor
|
|
C
|
Common
|
8C
|
Common control power switch
|
Cooling
|
26C
|
Dexterity cooling temperature
relay
|
|
Transport
|
43C
|
Transport equipment changeover
switch
|
|
Conditioner
|
43GC
|
Phase modifier operation
change-over switch of the generator
|
|
Closing coil
|
52C
|
Breaker closing coil
|
|
Clutch
|
62C
|
Clutch coil of the extended
shutdown relay
|
|
Compensator
|
90CA
|
Automatic voltage regulator
dexterity current compensation device
|
|
Operation
|
63AC
|
Pressure relay (switchgear
operation)
|
|
Control
|
27C
|
Control power supply undervoltage
relay
|
|
Closed
|
|||
Capacitor
|
|||
CH
|
Charge
|
43CH
|
Line charge switching switch
|
CO2
|
Carbon dioxide
|
33CO2
|
Platform scale for position switch
of CO2 digester
|
D
|
Direct current
|
8D
|
DC control power switch
|
Release
|
21DV
|
Drainage valve
|
|
Dial
|
26TD
|
Transformers dial thermometer
|
|
Differential
|
41D
|
Differential field magnet switch
|
|
Declining-balance control (droop)
|
65SD
|
Electric governor for regulating
the declining-balance adjusting device
|
|
Degradation
|
71D
|
Rectifying device deterioration
detector
|
|
Deflector (of Pelton wheel)
|
74D
|
Deflector
|
|
Draft tube
|
88WD
|
Draft tube drainage pump contactor
|
|
DP
|
Dumping
|
65DP
|
Damping adjustment device for an
electric speed governor
|
E
|
Emergency
|
5E
|
Emergency switch
|
Excitation
|
45E
|
Exciter overvoltage relay
|
|
The excitation
|
88E
|
The excitation point for contactor
|
|
F
|
Float
|
1F
|
Pumping pump start float switch
|
Fire
|
28F
|
Fire detector
|
|
Failure
|
30F
|
Fault indicator
|
|
Fuse
|
37F
|
Blown fuse detector
|
|
Frequency
|
43F
|
Frequency control circuit
change-over switch
|
|
Fan
|
47F
|
Transformer cooling fan
reverse-phase voltage cross-sectional Denki
|
|
Fuida
|
54F
|
Breaker high-speed direct current
for the feeder
|
|
Flicker
|
66F
|
Flicker cross Appliances
|
|
Fault localization device
|
|||
FL
|
Filter
|
||
G
|
Grease
|
33G
|
Grease tank liquid level sensing
device
|
Gravity
|
33QG
|
Gravity oil tank liquid level
sensing device
|
|
Earth fault
|
44G
|
Ground fault distance relay
|
|
Guide vane
|
65GR
|
Guide vane opening control device
electronics governor
|
|
Lattice
|
88G
|
Lattice for contactor
|
|
Gas
|
88WG
|
Gas cooling water pump contactor
|
|
Generator
|
88LG
|
Low voltage generator driving the
electric motor contactor
|
|
H
|
High
|
51H
|
AC overcurrent relay (KoSeiJo)
|
House
|
52H
|
House AC breaker
|
|
Retention
|
54H
|
DC high-speed circuit breaker
holding coil
|
|
Electric heating
|
88H
|
Electric heating dexterity
contactor
|
|
High frequency
|
88HG
|
High frequency generator for
contactor
|
|
I
|
Internal
|
67GI
|
Ground 絡内 section directional relay
|
Firing
|
88-I
|
Ignition for contactor
|
|
IL
|
Interlock
|
89-IL
|
Disconnect switch interlock magnet
|
IR
|
Induction voltage regulator
|
7-IR
|
Induced voltage adjustment
dexterity adjustment switch
|
J
|
Bond
|
65JP
|
Conjoint operation load adjusting
device
|
Jet
|
75J
|
Jet brake system
|
|
K
|
Cathode
|
37HK
|
Cathode heating dexterity under
current relay
|
Three primary
|
52K
|
Tertiary AC breaker main
transformer
|
|
Casing
|
88WK
|
Hydraulic turbine casing drain
valve for contactor
|
|
L
|
Lamp
|
11L
|
Inspection lamp switch
|
Leakage
|
33QL
|
Oil tank liquid level sensing
device leakage
|
|
Lowering
|
35L
|
Brush drop for contactor
|
|
Lock
|
43L
|
General lock change-over switch
|
|
Low
|
51L
|
AC overcurrent relay (TeiSeiJo)
|
|
Line
|
|||
Load
|
|||
LA
|
Arrester
|
28LA
|
Arrester motion detector
|
Ld
|
Progress
|
||
Lg
|
Delay
|
||
LR
|
Load voltage regulator
|
24LR
|
Load voltage adjustment deft
tap-changing mechanism
|
M
|
Instrument
|
3M
|
Instrument for resuming operation
switch
|
Microwave
|
|||
Main
|
43M
|
Criteria dependent changeover
switch
|
|
Mo
|
44S-M1
|
First stage element for mode of
44S
|
|
Power
|
47M
|
Power supply reverse-phase voltage
relay
|
|
Electric motor
|
90RM
|
90R Operation electric motor
|
|
N
|
Nozzle
|
43N
|
Nozzle changeover switch
|
Nitrogen
|
63N
|
Nitrogen pressure relay
|
|
Neutral
|
64N
|
Neutral point land (ground) fault
voltage relay
|
|
Negative electrode
|
89N
|
Negative side disconnector
|
|
NL
|
No-load
|
88NLR
|
Voltage limiting resistor for
contactor no load
|
O
|
Ohm element
|
44S-O
|
Short-circuit distance relay Ohm
Termination
|
External
|
67GO
|
Ground 絡外 section directional relay
|
|
Open
|
|||
P
|
Program
|
10P
|
Program regulator
|
Voltage transformer
|
43P
|
Voltage transformer changeover
switch
|
|
Pump
|
43GP
|
Power generation, pumping pump
changeover switch
|
|
First order
|
51P
|
Primary AC overvoltage relay main
transformer
|
|
Positive electrode
|
89P
|
Positive side disconnector
|
|
Power
|
91P
|
Power relay
|
|
Pressure
|
96P
|
Instantaneous pressure relay
|
|
Position
|
|||
PC
|
Extinguishing reactor
|
43PC
|
Arc-suppression coil changeover
switch
|
P
(w)
|
Pilot line
|
85RO
|
Display line for receiving relay
|
Q
|
Oil
|
63Q
|
Hydraulic relay
|
Reactive power
|
91Q
|
Reactive power relay
|
|
R
|
Return
|
3R
|
General return for operation
switch
|
Up
|
35R
|
Brush rise for contactor
|
|
Adjustment
|
41R
|
Adjust field magnet switch
|
|
Far
|
43R
|
Far, direct changeover switch
|
|
Powered
|
52R
|
Powered AC circuit breaker
|
|
Rotor
|
63QR
|
Rotor pushed up oil pressure relay
|
|
Reactor
|
69WR
|
Voltage adjustment reactor coolant
water flow relay
|
|
Reception
|
85R
|
Reception relay
|
|
Interior
|
88HR
|
Indoor electric heating dexterity
contactor
|
|
Resistance
|
52NR
|
Neutral point resistance dexterity
AC breaker
|
|
Reverse
|
|||
Re cold unit
|
88WR
|
Re cold instrument cooling water
pump contactor
|
|
R
(RY)
|
Relay
|
8R
|
Relay power switch
|
S
|
Strainer
|
2S
|
Strainer automatic operation start
time setting timer
|
Solenoid
|
21S
|
Hydraulic turbine inlet valve
solenoid
|
|
Shu oil tank
|
26S
|
Collecting oil bath for
temperature relay
|
|
Shu oil tank
|
30S
|
Operation indicator
|
|
Synchronism
|
33S
|
Tap displacement detecting device
|
|
Short
|
44S
|
Short-circuit distance relay
|
|
Secondary
|
51S
|
Secondary AC overcurrent relay
main transformer
|
|
Synchronous machine
|
56S
|
Synchronous machine out-of-sync
detection relay
|
|
Speed
|
65SD
|
Electric governor for regulating
the declining-balance adjusting device
|
|
Deputy
|
70S
|
Vice exciter field magnet for
regulator
|
|
Transmission
|
85S
|
Submit relay
|
|
Stator
|
|||
SP
|
Alone, parallel
|
43SP
|
Alone, parallel changeover switch
|
SU
|
Start-up element
|
44S-SU
|
Short-circuit distance relay
element start
|
T
|
Transformer
|
26T
|
Transformer temperature relay
|
Tailrace
|
33T
|
Drainage Royo liquid level
detector
|
|
Temperature
|
43T
|
(Automatic, manual) changeover
switch temperature
|
|
Time limit
|
44ST
|
Relay short-circuit distance relay
for the time limit
|
|
Tripping
|
52T
|
Remove coil cut-off argument
|
|
Turbine
|
|||
Transfer
|
|||
U
|
Use
|
43U
|
Pause end selection changeover
switch
|
V
|
Electron tube
|
37V
|
Filament break relay of electron
tube
|
Voltage
|
51V
|
Voltage suppression with
alternating over-current relay
|
|
Vacuum
|
88V
|
Rotary vacuum pump contactor
|
|
Valve
|
88QV
|
Inlet valve pressure oil pump
contactor
|
|
W
|
Water
|
88WC
|
Cooling water pump contactor
|
Well
|
88WW
|
Well water pump contactor
|
|
Z
|
Buzzer
|
28Z
|
Buzzer relay
|
Impedance
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|||
Φ
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Phase
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64Φ
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Ground 絡相 discrimination relay
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