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Power Transformer Components Solution
Power transformer components solutions, including tap changer, buchholz relay, transformer bushing, temperature indicator, pressure relief valve, HV&LV winding etc.
1. PRESSURE RELIEF VALVE
Series : YSF Series
Optional Model :
Φ130 Series :YSF-35(55,70,85)/130KJF/80KJDF
Φ80 Series : YSF-35(55,70,85)/80KJF/80KJDF
Φ50 Series : YSF-25(35,55)50L/50F/50KJL/50KJF/ 50KJDF
Φ25 Series : YSF-25(35,55)/25L/25F/25KJL/25KJF
Opening Pressure : 15Kpa, 25Kpa, 35Kpa, 55Kpa, 70Kpa,85Kpa
Effective Oil-jet Caliber : Φ25~Φ130
Installation Position : cover of tank, wall of tank, turret of tank
Deviation of Opening Pressure : ±5Kpa
Shut-off Pressure : ≥8~45.5Kpa
Sealed Pressure : ≥9~51Kpa
Place of Original : China
Brand : GRID POWER TECHNOLOGY
2. BUCHHOLZ RELAY
Series : QJ SERIES
Optional Model :
Φ50 : 50mm Pipe Diameter
Φ80 : 80mm Pipe Diameter
Working Condition : AC220V/0.3A
No. of Poles : 6
Place of Original : China
Brand : GRID POWER TECHNOLOGY
3. TAP CHANGER
Linear Structure Combined Off-Circuit Tap Changer
Series : WST-ZH3
Optional Model :
20KV 63A : WST V 63/20-4X3 ZH3 & WST V 63/20-6X5 ZH3
20KV 125A : WST V 125/20-4X3 ZH3 & WST V 125/20-6X5 ZH3
Phase No. : 3
Rated Frequency : 50HZ , 60Hz
Rated Voltage : 35kV, 10kV, 20kV
Power Frequency Withstand Voltage [kV] : 42kV, 55kV, 95kV
Sealing Performance : 60 kPa/24h
Machine Life : 2 thousands of time
Place of Original : China
Brand : GRID POWER TECHNOLOGY
4. HV/LV BUSHING
Product Name : 3kV/ 250, 600A LV bushing
Standard : DIN 42539
Rated Current : 250
Rated Voltage : 3kV
Lightning Impulse : 40kV
Power Frequency Dry Withstand : 14kV
Power Frequency Wet Withstand : 10kV
Creep Distance : 120mm
Min. Dry Arc. Distance : 100mm
Place of Original : China
Brand : GRID POWER TECHNOLOGY
5. OIL LEVEL INDICATOR
Series : YZ Series
Optional Model : YZF Type & YZS Type
Relative Humidity : when temperature is +20℃, it is no more than 95%.
Place of Original : China
Brand : GRID POWER TECHNOLOGY
6. WINDING TEMPERATURE INDICATORS
Series : BWR Series
Optional Model :
BWR – 04 & BWR-06
Working Temperature : -40℃~55℃
Measuring Range : 0℃~150℃ or uon the customer’s requirement
Accuracy Class : ±2℃
Adjustable Range : full span
Setting Accurance : ±2℃
Switch Differential : 6℃±2℃
Output Signal : Without DC Power 4-20mA
Output Signal : Pt100 (model A)
Output Signal : With DC power 4-20mA (model D)
Output Signal : DC 0-5V (model E)
Bulb Sensor Diemension : Φ14×115
Connection : M27×2 or upon the customer’s requirement
Protection Class : IP55
Place of Original : China
Brand : GRID POWER TECHNOLOGY
7. HV/ LV WIRE
Flexible Copper Stranded Wires
Optional Model :
GGTJR (X) 1 : 0.25mm~1.05mm
GGTJR (X)2 : 0.2mm
GGTJR (X)3 : 0.15mm
Materials : T2 copper wire
Copper : ≥99.95%
Place of Original : China
Brand : GRID POWER TECHNOLOGY
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