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Circuitry application:
Installed between the full-control current rectification and the power grid, ensure the THDI≤10%, also insulate the rectification circuit and the power gird. This kind of tran sformer allows 6K±1 times or 12K±1 times harmonic current.
Performance features:
System voltage | 3-AC400V/690V/1140V,50HZ |
Insulation grade | H |
Available peak current coefficient | 2.15, unsaturated magnetic core |
Noise | ≤50 d B |
Electric strength | AC3000V 50Hz 5s leakage current≤5mA |
Temperature rise | ≤100℃/120℃ |
Ambient temperature | -25℃~55℃ |
Operatice norm | GB 1094.11-2007 power transformer Part.11: Dry-type transformer |
Technical parameter
ZLB series of rectifier transformer, acquiescent connection: Dy11, the acquiescent connection of ZLYB phase-shift rectifier transformer is Dd-y | ||||
Model of rectifier transformer | Efficiency ≥ | Rated capacity（KVA） | No-load current≤ | Short-circuit impedance （±20%） |
ZLYB-10 | 95% | 10 | 5% | 3% |
ZLYB-15 | 95% | 15 | 5% | 3% |
ZLYB-20 | 96% | 20 | 5% | 3% |
ZLYB-30 | 96% | 30 | 5% | 3% |
ZLYB-40 | 97% | 40 | 4% | 3% |
ZLYB-50 | 97% | 50 | 4% | 3% |
ZLYB-60 | 98% | 60 | 4% | 3% |
ZLYB-80 | 98% | 80 | 4% | 3% |
ZLYB-100 | 98% | 100 | 4% | 4% |
ZLYB-125 | 98% | 125 | 4% | 4% |
ZLYB-150 | 98% | 150 | 4% | 4% |
ZLYB-200 | 98% | 200 | 4% | 4% |
ZLYB-250 | 98% | 250 | 3% | 4% |
ZLYB-300 | 98% | 300 | 3% | 4% |
ZLYB-400 | 98% | 400 | 3% | 4% |
ZLYB-500 | 98% | 500 | 3% | 4% |
ZLYB-630 | 98% | 630 | 2% | 4% |
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