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Anqiang's independently developed Oil Immersed Electromagnetic Voltage Transformer, model JDX series, is suitable for voltage levels of 66KV, 110KV, and 220KV. The transformer features three secondary windings at the top, with separate measuring and protection windings. It is equipped with a stainless steel metal expansion tank at the top, which includes an oil level sight glass for easy monitoring of oil level changes. The bottom of Oil Immersed Electromagnetic Voltage Transformer is fitted with a multi-functional oil drain valve, making oil sampling, draining, and refilling more convenient. The base and other exposed steel parts of the product utilize both powder coating and hot-dip galvanizing anti-corrosion processes, ensuring both aesthetics and excellent corrosion resistance. This voltage transformer features a single-stage insulation structure, and the leads are composed of multiple capacitive screens to ensure a uniform electric field.
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Rated primary voltage (kV) |
66/69 |
110/115 |
132/138 |
150 |
220/230 |
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Maximum equipment voltage (kV) |
72.5 |
123/126 |
145 |
325 |
460 |
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Rated frequency (Hz) |
50/60 |
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Rated power frequency withstand voltage (kV) |
140/160 |
230 |
275 |
750 |
1050 |
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Rated lightning impulse withstand voltage (kV) |
325/350 |
550 |
650 |
1500 |
2100 |
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Arc flash distance |
780 |
1050 |
1300 |
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Mechanical load (N) |
1250 |
1250 |
1250 |
1250 |
1250 |
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Secondary terminal markings |
1a-1n |
2a-2n |
da-dn |
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Accuracy level |
0.2 |
0.5 |
3P |
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Rated output (VA) |
100 |
250 |
300 |
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150 |
150 |
300 |
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150 |
— |
300 |
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Thermal limit output (VA) |
2000 |
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Rated voltage factor |
1.2/Continuous；1.9/8h(66KV) |
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Number |
Name |
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1 |
Expander |
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2 |
Oil level inspection window |
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3 |
Single terminal |
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4 |
Porcelain sleeve |
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5 |
Raised seat |
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6 |
Tank |
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7 |
Secondary junction box |
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8 |
Nameplate |
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9 |
Secondary outlet hole |
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10 |
Grounding plate |
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11 |
Oil drain valve |
Address
Jinlu Industrial Zone, Beibaixiang Town, Yueqing City, Wenzhou City, Zhejiang Province, China
