绝缘监视装置
直流屏系统接线复杂,从主控室到室外变配电现场的电缆线路数量多,距离长,直接接地和绝缘电阻下降的机会很多,如发生两点接地,可能会引起直流熔断器熔断或造成保护和断路器的误动作,对运行有的危害,为保障供电可靠性,需装设直流系统绝缘监察装置,在直流系统出现绝缘强度降低等异常情况下,发出声光告警,并能找出对应的支路号。图1—1所示为变电站广泛采用的绝缘监察装置,由直流绝缘监察继电器XJJ(ZYJ—1),转换开关CK(LW2—W—6a.6.1/F6—8X),电压表2V组成。具有两个功能:电压测量;能发出监视信号。
AT SIZE X-LARGE MEN'S RIB BELT 19
HERMELL SIZE MED. FIRM 3 1/2" SOFTEZE FOAM CERVICAL COLLAR
HERMELL SIZE LARGE FIRM 3 1/2" SOFTEZE FOAM CERVICAL COLLAR
1/8 TO 3/16 7 x 19 PVC COATED AIRCRAFT CABLE, PARTIAL SPOOL
BALLUFF BES 516-324-G-E5-C-S49 INDUCTIVE SENSOR 10-30 V DC
TINGLEY XL 11-12 1/2 BLACK HI-TOP RUBBER OVERSHOES, 1300
3M BLENDERM 1/2" x 5YD SURGICAL TAPE 1525-0
PACKER LACROSSE SIZE-M MEN'S YELLOW OVERSHOE 88103
ERGODYNE TENACIOS WORK GEAR SIZE X-LARGE ELBOW SLEEVE 650
BANNER MINI-SCREEN LIGHT CURTAIN CONTROLLER GMMSDINT-1L2
AT SIZE MED. MEN'S RIB BELT 19
JOHNSON & JOHNSON 1/2" X 10YD DERMICEL HYPO-ALLERGENIC CLOTH TAPE 5143 23 ROLLS
EDWARDS NEMA 4X, 1/2" NPT, 24V ADAPTABEACON GREEN LIGHT 48FING-G1-20WH
NORTH LA-172-G SIZE 10 17 MIL CHEMICAL RESISTANT GLOVES, 4 PAIR
DATASENSOR S5-1-F8-20
PRO SIZE XXL ALTERED DIAMOND BACK SLEEVE 130A
HYDRAULIC VALVE 34135 W HYDRAULIC MANIFOLD 1DHA-A2
TENACIOUS ERGODYNE WORK GEAR SIZE X-LARGE KNEE SLEEVE 600
HERMELL SIZE MED. FIRM 3" SOFTEZE FOAM CERVICAL COLLAR
IFM 3IN. DIA REFLECTOR EFFTS80 SEALED BAG
SENTRY SIREN 7V8-B OUTDOOR WARNING SIREN W/ BACKUP BATTERY BOX,
PROFLEX SIZE SMALL TAN RIGHT WRIST SUPPORT 4000
SERVUS SIZE 8 KNEE STEEL TOE BOOTS 18821
BRADLEY PLASTIC EYEWASH BOWL DUST COVER S45-1964
MASTER LOCK 3/8 IN. DIA. 6FT LOOP END BRAIDED STEEL CABLE, 78DPF
PROFLEX SIZE X-LARGE RIGHT WRIST SUPPORT 410
SALIBURY SIZE 10 LOW VOLTAGE GLOVES
G.N.P. C.S.R. WEST #12 ROPE BAG, 150'
PINNACLE SYSTEMS INC. SAFETY MAT NSD/28/033/Y/R/X/20/S,
3M ORGANIC VAPOR CARTRIDGE 6001
SMC VS7-6-FG-S-4NA0 3T DC12V VALVE
GUARDIAN EQUIPMENT WALL MOUNTED STAINLESS STEEL EYE/FACE WASH, G1724
JOHNSON & JOHNSON 1/2" WATERPROOF TAPE 10YD
GENTEX HORN & STROBE SIGNALING GX90S-4
ONGUARD SIZE 4XL 3 PIECE BIB OVERALL, 73515
ONGUARD SIZE 2XL 3 PIECE BIB OVERALL, 73515
ONGUARD INDSTRIES SIZE 12 BLACK STEEL TOE BOOTS ASTM F 2413-05 M/1/75/C/75,
NORTH COM FIT SIZE MEDIUM REUSEABLE EARPLUGS 281603
MOTOROLA SIZE MEDIUM BELT WITH HOLDER NTN7376A
SIEMENS SIGNAL COLUMN RED LIGHT 8WD4 400-1AB
FUTURO SIZE X-LARGE SPIRAL LIFT ELBOW SUPPORT 004206
PARKER SCHRADER BELLOWS LOCK OUT VALVE 1/2" 250PSI LV4BA8
NORTH RESPIRATOR MASK SIZE-SMALL 7700-11S / 7700-30S
PROFLEX SIZE SMALL LEFT WRIST SUPPORT 410
STONCO LIGHT FIXTURE SUITABLE FOR WE LOCATIONS LOT OF 2
OMRON SAFETY LIGHT CURTAIN TYPE 4 F3S-A161P-D
DIXON MINI HOSE CLAMPS MH4 7/32"-5/8 5.6-16MM QUANITY 10
MASTER PNEUMATIC POLYCARBONATE BOWL W GAUGE 5/8"NPT 150SPI 125F
ADVANCE TRANSFORMER MARK III RAPID START BALLAST V-2S40-1-TP
FUTURO SIZE X-LARGE COMFORT LIFT KNEE SUPPORT 00080
WEATHERHEAD 6 " PRESSURE HOSE 1/4" O.D H10104
AT SIZE SMALL LEFT ADJUSTABLE WRIST BRACE 33R
COLSON HI-TECH PERFORMA 6X2 RUBBER WHEEL ON METAL STAND
FUTURO SIZE SMALL SPLINT WRIST BRACE 003382
AT SIZE LARGE ELBOW CAP 20
GENUINE HELIARC 12.5 FT CABLE COVER 35453
ONGUARD INDUSTRIES SIZE 8 16" ECONOMY BLACK PT 86605
COMMERCIAL PRODUCTS GROUP COVER ONLY FOR POWERTONE ASHP SERIES A1 SIGNAL SPEAKER
SINGER SAFETY 24" FIRE HOSE REEL COVER 10-090024
AT SIZE X-LARGE ELBOW CAP 19
UVEX BLOCKS 99% UVA & UVB ULTRASPEC 2000 SAFETY GLASSES S0300
SIEMENS 230V 7W SIGNAL COLUMN LIGHT ELEMENT, 8WD4 400-1AD
SIEMENS 230V 7W GREEN COLUMN STEADY LIGHT, 8WD4 400-1AC
RIVER CITY SER. 100 SIZE X3 STOWAWAY JACKET 100J
AT SURGICAL CO SIZE XL WHITE ANKLET 36
TELEMECANIQUE 24V 47MA LED CLUSTER LAMP, DL1-BDB4
NUMATICS 052BB4Z2ML00061 SOLENOID VALVE 120 PSIG-AIR
WHIZARD ARMGUARD II PROTECTIVE WEAR CUT RESISTANT SLEEVE SIZE 10
JOHNSON & JOHNSON 1/2" WATERPROOF TAPE 10YD
WILLSON 8.5" X 15" SIZE CLEAR VISOR 4RF26
NORTH V-SAFE RED VALVE COVER 5" TO 6 1/2" VS06 57-322
ONGUARD INDUSTRIES XL 4" RUBBER GALOSHES, 13000HS
RASCO 1/2" NPT HORIZONTAL SIDEWALL SPRINKLERS, MODEL F1
NORTH V-SAFE RED VALVE COVER 2 1/2" TO 5" VS04 57-321
WIKA PRESSURE GUAGE 0-100PSI
SCOTT SAFETY MASK 10008404
PROFLEX SIZE SMALL TAN LEFT WRIST SUPPORT 4000
FUTURO SIZE X-LARGE NON ROLL ELBOW BRACE 004206
MILLER 310LB. CAPACITY 1-3/4" X 3/64" RETRACTABLE WEB LANYARD, 8327
SCHNEIDER GREEN STACK LIGHT XVBC2B3DB
METEORLITE 5 12-72VDC ORANGE FORKLIFT STROBE
FEDERAL SIGNAL 120V WARNING LIGHT 400F 40S11N
DOLAN JENNER SAFE SCAN 7 SAFETY LIGHT CURTAIN SET SS7-28B
ALLEN BRADLEY 110/115-120V SAFETY CONTROL RELAY SERIES D 700S-P220A1
HOWARD LEIGHT HEARING PROTECTION QB2HYG