≤100kVA Range
HET 80kVA/4kV/2.4kV/0.6kV Exciter Transformer
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HET 80kVA/4kV/2.4kV/0.6kV Exciter Transformer

Lead time: 45 days

Mode: HET 80kVA/4kV/2.4kV/0.6kV
Rated capacitance: 80kVA
Single phase
Cooling methods: ONAN
Rated voltage: 0.6/2.4kV, 4kV
Rated current: 133.3/33.3A, 20A
Rated frequency: 50Hz
Impedance voltage:<5%
Shielding methods: Set electrostatic shield layer between HV winding and LV winding
Working time: 1hour on, 1hour off, three cycles per day.

HET 80kVA/4kV/2.4kV/0.6kV Exciter Transformer,Inductance Resonant System HET 80kVA/4kV/2.4kV/0.6kV Exciter Transformer,Inductance Resonant System

HET 80kVA/4kV/2.4kV/0.6kV Exciter Transformer,Inductance Resonant System HET 80kVA/4kV/2.4kV/0.6kV Exciter Transformer,Inductance Resonant System

Exciter transformer protection: equip piezoresistor for each HV output, exciter transformer’s  input and output terminal connects with the ground via zinc oxide arrester, this methods can protect the operator and the equipment itself when test object breakdown
Structure: steel housing, HV bushing equips on the oil tank, equips wheels, movable,  oil tank is shell-type, lead out the Low voltage with porcelain bushing. E ach terminal is lead out by relative voltage grade bushing. HV bushing lead wire go through is volumetric capacitance core, exterminal insulation is fiber glass bushing. Bushing has corona rings. Oil tank has oil conservator to make sure the capacitance core in the oil. HV bushing can guarantee 5kV corona free.
Exciter transformer insulation characteristic: Exciter transformer insulation level will determine transformer’s safety work and insulation ageing speed. To guarantee no flashover- which coming from external, electric potential raise and cause damage to the main insulation and minor insulation. We will also set insulation layer between HV windings and turn-to-turn. Winding is cylinder type. Capacitance is determined by the winding’s area. When design, we’d try our best to make sure the top and bottom has same area, and compensate with electrostatic shield to improve the initial voltage distribution. Winding skeleton is made of compound insulation tube: can get down partial discharge and shielding the iron coil.

Principle Diagram: 

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