ZMB on load tap changer applies to the electrical transformer or industrial transformer with the rated voltage 35-220kV, max. rated through current three-phase 300-600A, single-phase 300-1500A, the frequency is 50Hz or 60Hz under the situation of load to change the taps in order to achieve the purpose of voltage regulation. ZMB on load tap changer is combined type tap changer of embedded type and with resistance transition, it consists of diverter switch and tap selector. The technical function of ZMB on load tap changer meets to the requirement of GB10230.1-2007 <Tap changer section 1: Performance requirements and test methods>, IEC60214-1:2003 <Tap changer section 1: performance requirement and test methods>.
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