The new S9 off-circuit-tap-changing transformer is the new generation loss-cut transformer successfully developed out of the drawings from Shenyang Transformer Institute. Thanks to the introduction of new longitudinal insulating structure, it has higher technical intervention and performs better in reliability. That's why this model of products has been favored by power distribution departments.
Features:
1) The cold-rolled grain-oriented silicon steel sheets which make up
the core and the scientific structure seaming determine that the
transformer could effectively cut down the no-load loss, no-load
current and noise
2) The coils in the transformer are made of high-purity oxygen-free
copper and could decrease the copper loss during operation; the
support for inner winding is also strengthened to boost the stability
and prevent deformation
3) Balanced winding ampere-turns, reasonably-designed securing
structure, and capability to withstand short circuit
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