Isolation/Ground Switch Enclosure.
The HRC Isolation/Ground switch enables the operator to safely isolate a precipitator bus section from the
transformer/rectifier and insure the safe grounding of its internal high voltage system. The switch is contained in
its own enclosure for simple retrofit into the high voltage bus duct system.
Groundhog.
In today's safety-conscience environment insuring that the transformer rectifier is properly grounded before entry
and that the grounding can be performed in a safe manner has become a requirement. The Groundhog enables the operator
to do just that. It can be installed directly into an existing switch box or be installed in its own enclosure to replace
older designs that require hand contact with energized internal devices. |
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Full Wave/Half Wave Switches.
The HR-C 5-position switch enables the precipitator operator to choose the way a dual bushing transformer rectifier
operates. The switch also provides isolation capabilities for troubleshooting or continued operation of the rest
of the unit. The switch enclosure is a fraction of the size of the traditional full wave/half wave air switch.
T/R HV
Bushing |
Switching Position |
| 1 |
2 |
3 |
4 |
5 |
| A |
Ground |
Half Wave |
Full Wave |
Full Wave |
Ground |
| B |
Full Wave |
Half Wave |
Full Wave |
Ground |
Ground |
Deck Switches. Many older precipitator designs power two or more bus sections from one transformer rectifier set.
The HRC Deck Switches enable the operator to isolate and ground the bus sections individually from the cold roof of
the penthouse.
All of the switches available are compatible with safety interlock systems currently on the market. Safety interlock
additions or modifications can be provided at the time of switch installation or modification.
All switches contacts are heavy-duty beryllium copper. Ceramic insulators are used throughout and switch enclosures
can be manufactured from mild or stainless steel.
Spare components are available for all switches and interlock systems provided on RC or Buell/GEESI precipitators.
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