Product overview：
This series of products is advance on design, and has a substantial improvement in material, structure and technology. High and low voltage clamps adopt steel strap or up beam or side beam for tightening, and form a firm frame structure, are able to enhance iron core clamping force and tolerance to transport impaction.It has strong anti-short circuit ability, beautiful appearance, reliable operation, low loss, low noise
and has achieved advance level of similar foreign products. The SZ11-800/35 transformer produced by our company has passed through the burst short-circuit test conducted by National Transformer Testing Center. High and low voltage coil has longitudinal oil tunnel for heat dissipation and can reduce copper oil temperature difference and coil internal highest temperature rising significantly.800KVA~31500KVA three-phase double winding non excited voltage regulating power transformer:
Note 1: transformer with 63ooKVA or less rated capacity can provide products whose high-voltage tapping range is ±2x2.5%.
Note 2: 10.5KV and 11KV transformer lower than low voltage can provide products with connection symbol of Dyn11.
Note 3: transformer with 3150KVA or more rated capacity has the greatest tapping curent on -5% tapping position.
2000KVA~20000KVA three-phase double winding on load voltage regulating power transformer：
INote 1:10.5KV and 11KV transformer lower than low voltage can provide products with connection symbol of Dyn11.
Note 2: the greatest tapping current happens on -7.5% tapping position.
Under the circumstance that tapping step and voltage grade keep unchanged, negative tapping step is allowed to increase and positive tapping step is allowed to decrease, or positive tapping step is allowed to increase and negative tapping step is allowed to decrease.
Such as (35.1) x2.5% and (35.1) x2.5%.
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