Dry transformer

railwaycompactepoxy resin

ModelZQSCB series Basic Parameter HV winding LV winding " Rated capacity（kVA）"1000～40001000～4000 " Rated working voltage（kV）"10～352×1.8 " Short-circuit impedance（%）"Through impedance 8%，Half through impedance 6% " Frequency（Hz)"50 " Cooling mode"AN or AN/AF " Insulation Class"H " Weight kg"750～8100 " Feature""1.Coil adopts epoxy resin pouring with flame resistance reaching standard V0, having characteristics of flame resistance, non-dust accumulation, good moisture-resistance, good chemical resistance, high mechanical strength and strong anti-short circuit capability. 2.Transformer is adaptable to frequently fluctuated voltage and loading of electric railway power supply, and has good tolerance on DC shunt generated by converter device. 3.Conduct vacuum pouring on high voltage and low voltage coils, and apply high voltage standstill process after pouring. Make poured resin more compact, and sufficiently eliminate bubbles residual in the coil, to ensure partial discharge of each set of product is lower than 5pC. 4.If the integrated structure is pyknic type and gravity center is lower, it can decrease the noise; Iron core adopts high-quality 0.27mm cold rolled grain oriented silicone steel sheets, with characteristics of well-distributed sheet width, wave-free and low unit loss. 5.Air duct of low voltage coil is honeycomb type, evenly distributed along the circumference, and coil is with good heat dissipation. Main achievements: ZQSCB-1600/10 14 sets of products have been applied in traction power system for Changsha medium-low speed maglev project." " Operation Experience "22