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작성자 관리자 작성일21-07-13 11:32 조회265회 댓글0건

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MAFS

Multi Chopping Gap (600 kV to 3,600 kV)

The multiple chopping gap serves simultaneously as a load capacitor for the impulse generator and allows excellent reproducibility 

of the chopping time and does not distort the wave shape until the chopping point. 

Rod gaps and sphere gaps (above 1,000 kV) draw a substantial pre-discharge current prior to the voltage break-down, causing a voltage drop. 

This affects the comparison tests when testing power transformers, hence particular attention must be paid to the way the circuit is built. 

The sphere distance is automatically adjusted by the Haefely Impulse Generator controls. 

In the automatic mode, the gap distance is set automatically as a function of the charging voltage. 

The gap distance is displayed on the controls. The chopping is initiated by the first stage, having a triggering spark plug. 

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