Hotline
135-0983-1315
No. Component Name New Symbol Old Symbol
1 relay K J
2 Current Relay KA LJ
3 Negative sequence current relay KAN FLJ
4 Zero sequence current relay KAZ LLJ
5 voltage relay KV YJ
6 positive sequence voltage relay KVP ZYJ
7 Negative sequence voltage relay KVN FYJ
8 zero sequence voltage relay KVZ LYJ
9 time relay KT SJ
10 power relay KP GJ
11 Differential Relay KD CJ
12 signal relay KS XJ
13 Signal Impact Relay KAI XMJ
14 relay KC ZJ
15 thermal relay KR RJ
16 Impedance Relay KI ZKJ
17 Temperature relay KTP WJ
18 gas relay KG WSJ
19 closing relay KCR or KON HJ
20 Trip Relay KTR TJ
21 Closing Relay KCP HWJ
22 Trip Relay KTP TWJ
23 Power Monitoring Relay KVS JJ
24 Pressure Monitoring Relay KVP YJJ
25 Voltage Relay KVM YZJ
26 Accident signal relay KCA SXJ
27 Relay Protection Trip Exit Relay KOU BCJ
28 Manual closing relay KCRM SHJ
29 Manual Trip Relay KTPM STJ
30 Acceleration Relay KAC or KCL JSJ
31 return relay KPE FJ
32 latching relay KLA or KCB BSJ
33 Synchronous inspection relay KSY TJJ
34 Automatic quasi-synchronization device ASA ZZQ
35 automatic reclosing device ARE ZCJ
36 Automatic excitation regulator AVR or AAVR ZTL
37 Standby power automatic input device AATS or RSAD BZT
38 push button SB AN
39 closing button SBC HA
40 Trip Button SBT TA
41 Reset button SBre or SBR FA
42 test button SBte YA
43 Emergency stop button SBes JTA
44 Start button SBst QA
45 self-holding button SBhs BA
46 Stop button SBss
47 Control Switch SAC KK
48 Transfer switch SAH or SA ZK
49 measuring transfer switch SAM CK
50 synchronous transfer switch SAS TK
51 automatic synchronous transfer switch 2SASC DTK
52 manual synchronous transfer switch 1SASC STK
53 self-conversion switch SSA2 ZTK
54 automatic switch QA
55 knife switch QK or SN DK
56 fuse FU RD
57 fast fuse FUhs RDS
58 Locking switch SAL BK
59 signal light HL XD
60 light plates HL or HP GP
61 Alarm bell HAB or HA JL
62 closing contactor KMC HC
63 contactor KM C
64 closing coil Yon or LC HQ
65 Trip Coil Yoff or LT TQ
66 socket XS
67 plug XP
68 terminal block XT
69 Test Terminal XE
70 connecting piece XB LP
71 battery GB XDC
72 Pressure Transmitter BP YB
73 Temperature Transmitter BT WDB
74 electric clock PT
75 ammeter PA
76 voltmeter PV
77 Watt-hour meter PJ
78 active power meter PPA
79 reactive power meter PPR
80 Synchronization Table S
81 frequency table PF
82 capacitor C
83 Demagnetization resistance RFS or Rfd Rmc
84 shunt RW
85 thermal resistance RT
86 Potentiometer RP
87 Inductance (Reactance) Coil L
88 Current Transformer TA CT or LH
89 Voltage Transformer TV PT or YH
10KV voltage transformer TV SYH
35KV voltage transformer TV UYH
110KV voltage transformer TV YYH
90 circuit breaker QF DL
91 Isolation Switch QS G
92 Power Transformers TM B
93 Synchronous Generator GS TF
94 AC Motor MA JD
95 DC Motor MD ZD
96 voltage transformer secondary circuit small busbar
97 Synchronous voltage small bus (waiting for) WST or WVB TQMa, TQMb
98 Synchronous voltage small bus (operating) WOS` or WVBn TQM`a, TQM`b
99 quasi-synchronous closing small busbar 1WSC, 2WSC, 3WSC
1WPO, 2WPO, 3WPO 1THM, 2THM, 3THM
100 control power bus +WC,-WC +KM,-KM
101 signal power small bus +WS, -WS +XM, -XM
102 closing power supply small bus +WON,-WON +HM,-HM
103 accident signal small bus WFA SYM
104 zero sequence voltage small busbar WVBz
105 Factory low voltage small busbar WVBU
