HIGH TENTION SWITCHGEAR

SWITCHGEAR
PEtelCO’s switchgear division is itself a complete unit with knowledge, experience,skills as well as machineries and also test equipment.PEtelCO is Manufacturing-
– HT switchgear
– LT switchgear
– PFI Plant
– HT Metering Panel
– LT Metering Panel
– Control panel, so on.
FEATURES OF SWITCHGEAR
- The Panel is equipped by high reliability and world class brand equipment- Easy and smart operation- Lookative, safe and dust proof casing.
– Standard clearance
– Perfect air ventilation
– Extra cooling system
– Powder coating painted
HT/ HIGH TENTION SWITCHGEAR
switchgear_ht High Tension Switchgear (HT) comprise the units designed for rated voltage of 12kv, 33kv current range 400A to 3200A. Switchgear insulation designed to withstand rated voltage is
also subjected to over voltage due to lightning and breaker operation transients. Depending on the conditions switchgear installation are designed and manufactured for outdoor and indoor service. Suitable for mass production, transportation handling and convenient operation, the weight of the equipment is kept as low as practicable.The LBS, VCB, SF6 circuit breaker and the switchboards are of optimized design for local supply condition and ambient. This design ensures easy of operation, low cost maintenance and higher longevity.The cubical design of 12kv, 33kv, and 1250A is also compatible with our SF6 and Minimum Oil Circuit Breakers (MOCB). The panels are fully compartmentalized and extensible on both side, consisting of busbar chamber with adequate air clearances, PT compartment, CT and cable termination compartment, breaker compartment and metering chamber.
DRAW-OUT TYPE HT SWITCHGEAR
The complete unit may be provided with a shutter of front cover. VCB/SF6 breaker is mounted on a cradle.
This SF6 breaker /VCB along with the cradle can be easily installed inside a switchgear compartmentwithout any need of mechanical adjustment.The interlock of the draw out mechanism type and its special features are– The circuit breaker cannot be placed in or withdrawn from its cradle when it is in closed position.- The circuit breaker cannot be operated as the time of inserting in the cradle.- The circuit breaker & other components like CT, PT, IDMT relays all are imported from USA, Germany,France, UK and Japan or as per choice of our valued customers.
FIXED TYPE HT SWITCHGEAR
LBS/VCB/ SF6 breaker is suitable for use in cubicle switchgear units. This breaker is fixed to a switchgear or
floor by bolt with it’s base with it. On requested, fixed mounting SF6 breaker / VCB / LBS’s may be provided
with wheels which will make its movement easier.Connections between the breaker and incoming as well as outgoing busbars, are made directly and kept
fixed.The terminal arrangement of a fixed mounting breaker is such that connection to various positions are
made in the following manner :
– Main connection made by bolts
– Control connection made by screws
– Earth connection made by screws
TECHNICAL DATA DIMENSIONS
Rated voltage (V) :up to 11 kV/ 33kV, 50 hz Height :600/800/1500/1800/2200 mm
Rated current (A) :up to 600/200 A Width :400/600/800/1000 mm
Rated currents of Circuit breakers :up to 3200 A Depth :400/600/800 mm
Rated peak withstand current
Main busbars :up to 176 kA
Dropper bars :up to 120 kA
Degree of protection to DIN / IEC :IP 40
TESTS
All the breakers are subjected to routine tests as per IEC the panels along with the breaker are subjected to
routine tests as per IEC before dispatch.
About VCB
vcb * Proven hermetically sealed vacuum interrupters.* Low contact erosion.
* Fast recovery of dielectric strength.
* Maintenance free vacuum interrupter.
* Suitable for auto re-closing duty.
* Small stroke length and less moving parts.
lcb

October 2019
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