18
1.10 Brush Noise Filter (Low Partial Discharge Units Only)
The KV50-200LD and KV100-100LD units are supplied with a brush noise filter to prevent
interference and noise from the control unit variable transformer and supply affecting the
output from the HV transformer. The brush noise filter is connected in the power lead between
the control unit and the HV transformer.
1.11 Construction
1.11.1
Control Unit
The control unit is housed in aluminium case. All controls and metering functions are located
on the front panel. All power and interconnecting outputs are located on the rear panel.
1.11.2
HV Transformer
The high voltage transformer is housed in an indoor type sheet steel tank of all welded
construction. The tank is fitted with an oil drain plug, free air breather, lifting eyes, rating plate,
earthing terminal and an initial filling of insulating oil to BS 148.1972.
The high voltage end the winding is terminated in an indoor type bushing mounted on the
transformer cover.
Summary of Contents for KV mk2 Series
Page 28: ......
Page 30: ...30 Drawings 001555 KV100 100 001808 KV30 100T ...