High voltage capacitor series products -JFF type voltage equalizing capacitor
High voltage capacitor series products -JFF type voltage equalizing capacitor

Product Introduction:
JFF capacitors are widely used in the field of floor tank, gas insulated circuit breaker (GIS), SF6 porcelain pillar circuit breaker. The stable and reliable opening and closing ability of AC circuit breaker is the necessary condition to maintain the safe operation of substation. The voltage equalizing capacitor is connected in parallel to the breaker break. Because the capacitive component voltage cannot jump, it can reduce the voltage steepness of the circuit breaker's opening and closing arc gap recovery, avoid thermal breakdown in the arc extinguishing room, and meet the requirements of large capacity circuit breaker's opening and closing arc extinguishing.
Product features:
The capacitor components are connected directly by aluminum foil, and the electrical connection is reliable;
When the voltage equalizing capacitor is at the lowest working temperature, the internal pressure of the product is still slightly positive, which can effectively prevent moisture from entering;
Excellent sealing performance, the sealing structure uses double-channel sealing, and the high temperature and high strength sealant (epoxy resin) is applied between the flange and the cover plate and between the flange and the sleeve.
Product parameter
Voltage equalizing capacitors for GIS systems | |||||||
Model number | Flange diameter | Overall length | Dry arc distance | Maximum capacitance | Rated voltage | Power frequency withstand voltage | Lightning impulse voltage |
mm | mm | mm | pF | kV | kV | kV | |
JFF-180 | 100 | 600 | 545 | 700 | 180 | 460 | 1050 |
JFF-280 | 100 | 750 | 696 | 600 | 280 | 570 | 1150 |
JFF-180 | 100 | 1200 | 1146 | 1500 | 180 | 510 | 1170 |
JFF-180 | 120 | 600 | 530 | 1400 | 180 | 420 | 970 |
JFF-210 | 120 | 750 | 680 | 1100 | 210 | 460 | 1050 |
JFF-140 | 120 | 900 | 830 | 950 | 140 | 400 | 1160 |
JFF-250 | 120 | 1300 | 1230 | 950 | 250 | 570 | 1500 |
JFF-110 | 140 | 900 | 828 | 3100 | 110 | 300 | 800 |
JFF-140 | 140 | 900 | 828 | 1500 | 140 | 440 | 1160 |
JFF-280 | 140 | 1200 | 1128 | 1000 | 280 | 700 | 1700 |
JFF-250 | 174 | 1300 | 1210 | 2000 | 250 | 570 | 1500 |
JFF-250 | 174 | 1500 | 1410 | 3500 | 250 | 570 | 1500 |
Voltage equalizing capacitors for GIS systems | ||||||||||||||
Model number | Dry arc distance | Rated voltage | Power frequency withstand voltage | Lightning impulse voltage | Flange diameter(mm) | Flange diameter(mm) | ||||||||
Maximum capacitance(pF) | Maximum weight(kg) | |||||||||||||
mm | kV | kV | kV | 160 | 200 | 210 | 230 | 255 | 160 | 200 | 210 | 230 | 255 | |
JFF-192 | 2130 | 192 | 550 | 1105 | - | - | - | 2500 | - | - | - | - | 155 | - |
JFF-125 | 1200-1280 | 125 | 265 | 630 | 4500 | 12500 | 5000 | 6400 | 12000 | 25 | 40 | 75 90 | 95 112 | 120 125 |
JFF-145 | 1400-1480 | 145 | 316 | 750 | 3800 | 10500 | 400 | 5100 | 9500 | 28 | 44 | 78 95 | 107 121 | 125 144 |
JFF-160 | 1472-1520 | 160 | 350 | 800 | 3300 | 9500 | - | - | - | 32 | 47 | - | - | - |
JFF-170 | 1600-1680 | 170 | 375 | 860 | 3200 | 9000 | 3200 | 4000 | 7400 | 37 | 50 | 110 116 | 135 145 | 155 168 |
JFF-180 | 1750-1830 | 180 | 435 | 950 | 3000 | 8500 | 3100 | 5000 | 7500 | 35 | 55 | 100 118 | 130 171 | 152 187 |
JFF-210 | 1952-2048 | 210 | 520 | 1050 | 2300 | 7900 | - | - | - | 48 | 60 | - | - | - |
JFF-250 | 2191-2240 | 250 | 550 | 1200 | 2500 | 6200 | - | - | - | 42 | 65 | - | - | - |
JFF-300 | 2000-2672 | 300 | 600 | 1300 | 2500 | 7000 | 2500 | 4000 | 6100 | 50 | 80 | 125 137 190 208 | 150 196 220 296 | 172 205 - - |
Frequently Asked Questions
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