Ký hiệu chuyên ngành điện ATS, UPS, XLPE, LBFCO, LBS, DS | Ký hiệu chuyên ngành điện ATS UPS XLPE LBFCO LBS DS. Last Updated Tuesday 30 November 1999 00 00 Written by Administrator Saturday 29 November 2008 04 05 Ký hiệu chuyên ngành điện ATS UPS XLPE LBFCO LBS DS. Abbrevations for Electrical ALTS AUTOMATIC LOAD TRANSFER SWITCH INT S W INTERRUPTER SWITCH LBS LOAD BREAKER SWITCH ASS AUTO SECTION SWITCH VCB VACUUM CIRCUIT BREAKER COS CUT OUT SWITCH PF POWER FUSE MOF METERING OUT FIT PT POTENTIAL TRANSFORMER CT CURRENT TRANSFORMER TR TRANSFORMER LA LIGHTNING ARRESSTERS SA SURGE ABSORBER LS LINE SWITCH GCB GAS CIRCUIT BREAKER DS DISCONNECTING SWITCH VCS VACUUM CONTACTOR SWITCH ACB AIR CIRCUIT BREAKER ATS AUTO TRANSFER SWITCH VSS VACUUM TRANSFER SWICH MCCB MOLDED CASE CIRCUIT BREAKER ELCB EARTH LEAKAGE BREAKER NFB NO FUSE BREAKER MG MAGNETIC SWITCHES MG MAGNETIC SWITCHES DM DEMAND METER VAR-H VAR-HOUR METER VAR-M VAR METER KWM KILO WATT METER WM WATT METER AM AMPERE METER VM VOLT METER FM FREQUENCY METER PFM POWER FACTOR METER Vo ZERO PHASE SEQUENCE VOLTMETER 50 51 OCR OVER CURRENT RELAY 51 G OCGR OVER CURRENT GROUND RELAY 27 UVR UNDER VOLTAGE RELAY 59 OVR OVER VOLTAGE RELAY 64 OVGR OVER VOLTGE GROUND RELAY ELD EARTH LEAKAE DETECTOR VS VOLTAGE SWITCH AS AMPERE SWITCH COS CHANGE OVER SWITCH ZCT ZERO PHASE CURRENT TREANSFORMER PTT VTT PT VOLTAGE TEST TERMINAL CTT ATT CT AMPERE TEST TERMINAL GPT GROUND POTENTIAL TRANSFORMER T D TRANSDUCER REC RECTIFIER UNIT AVR AUTOMATIC VOLTAGE REGULATOR UPS UNINTERRUPTIBLE POWER SUPPLY PSU Power Supply Unit FCO Fuse Cut Out LBFCO Load Breaker Fuse Cut Out MCCB Molded Case Circuit Breaker PT Potential .
