2 current relays KA LJ
3 negative sequence current relay Kan FLJ
4 zero sequence current relay KAZ LLJ
5 kV voltage relay YJ
6 positive sequence voltage relay kvpjyj
7 negative sequence voltage relay kvnffyj
8 zero sequence voltage relay KVZ LYJ
9 time relay KT SJ
10 power relay KP GJ
1 1 differential relay KD CJ
12 signal relay KS XJ
13 signal pulse relay kaixmj
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 turn off relay KCR or KON HJ.
20 travel relay KTR TJ
2 1 turn off relay KCP HWJ
22 travel relay KTP TWJ
23 power monitoring relay KVS JJ
24 pressure monitoring relay KVP YJJ
25 volt voltage relay KVM YZJ
26 accident signal relay kcaxjj
27 relay protection tripping export relay Kou BCJ
28 manually turn off relay KCRM SHJ
29 manual trip relay KTPM STJ
30 Accelerated Relay KAC or KCL JSJ
3 1 reset relay KPE FJ
32 Lock relay KLA or BSJ KCB
33 Check relay KSY·TJJ at the same time.
34 automatic quasi-synchronous device ASA ZZQ
35 automatic reclosing device has ZCJ.
36 automatic excitation regulating device AVR or AAVR ZTL
37 standby power supply automatic input device AATS or RSAD BZT
Button up sb.
39 close button SBC HA
40 trip button SBT TA
4 1 reset button SBre or SBR FA
42 test button SBte YA
43 emergency stop button SBes JTA
44 start button SBst QA
45 self-sustaining button SBhs BA
46 Stop pressing the button SBss
47 control switch SAC KK
48 transfer switch SAH or ZK
49 measuring switch Sam CK
50 synchronous transfer switch SAS TK
5 1 automatic synchronous transfer switch 2 ASC DTK
52 manual synchronous transfer switch 1SASC STK
53 self-synchronous transfer switch SSA2 ZTK
54 automatic switch QA
55-knife switch QK or SN DK
Fulu no.56
57 fast fuse boxes
58 lock switch SAL BK
59 signal lamp HL XD
60 optical plate HL or HP assembly
6 1 alarm HAB or hajl
62 close contactor kmhc
63 contactor KM C
64 closed coil Yon or LC HQ
65 trip coil Yoff or LT TQ
66 socket XS
67 plug XP
68 terminal strip XT
69 test terminal XE
70 connector XB low voltage
7 1 battery national standard XDC
72 pressure transmitter BP YB
73 temperature transmitter BT WDB
74 electric clock PT
75 amp PA
76 volt meter PV
77 watt hour meter PJ
78 active power meter
79 reactive power meter PPR
80 watches in the same period
8 1 frequency table PF
82 capacitor c
83 deexcitation resistance RFS or Rfd Rmc
84 parallel RW
85 thermal resistance RT
86 potentiometer RP
87 inductance (reactance) coil l
88 Current Transformer Contact or Left Side
89 voltage transformer TV PT or YH
10KV voltage transformer TV SYH
35KV voltage transformer TV UYH
1 10KV voltage transformer TV YYH
90 circuit breaker QF DL
9 1 disconnector QS G
92 power transformer TM B
93 synchronous generator GS TF
94 AC motor MA JD
95 DC automobile MD ZD
96 Small Bus of Secondary Circuit of Voltage Transformer
97 voltage small bus (to be merged) WST or WVB TQMa and TQMb at the same time
98 voltage small bus (running) WOS' or WVBN TQM` A, TQM 'b.
99 quasi-synchronous closing small bus 1WSC, 2WSC, 3WSC
1WPO,2WPO,3WPO
100 control power bus +WC, -WC +KM, -KM
10 1 signal power supply small bus +WS, -WS +XM, -XM
102 turn on the small bus+won,-won+mm,-mm.
103 accident signal minibus wfsym
104 zero sequence voltage small bus WVBz
105 auxiliary low-voltage small bus WVBU