Disconnector Purpose
Disconnectors are mainly provided for the safety of the substation equipment and safety of the men working during maintenance and it is the heart of each substation
A disconnector is a switching device, provided with high air clearances when the isolator is kept in open for maintenance, as specified in IEC standards
GR POWER disconnectors are capable to meet the following:
- It safely caries continuously the normal current specified by customers under normal conditions.
- It is capable of withstanding Short circuit currents for specific time durations under abnormal conditions.
- It is capable of breaking the low currents during opening and closing of the contacts when there is no significant change in the voltage between terminals of the every pole
- These disconnectors are capable of making and breaking the specified currents during bus transfer according to the IEC standards
Mainly disconnectors are the safety device, used in substations gives visual air insulation clearances with interlocking devices to protect the engineers working for maintenance purposes.
Type of Disconnectors Manufactured by GR Power SwitchGear Ltd
GR power is having different type of disconnectors like Centre break (HCB), Double break (HDB), Vertical Break (VBD & KNEE), and Pantograph Disconnectors (PG)
These disconnector other than pantograph disconnector can be mounted horizontally or vertically or in under hung positions according to the substation design requirements
Selection of disconnector types are selected basically due to the design parameters considering the climatic conditions, technical specifications and space requirements etc.
Our Disconnectors are highly reliable, ease of maintenance and high performance
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