Transformer Archives » Electrical fundaz

What is the Duty Cycle/Operating Sequence of Circuit Breaker specified on the Name Plate

by Pranali N | Mar 2, 2019 | Circuit Breaker, SF6CB, VCB | 0 |

We keep wondering what the heck this sequence on the name plate of the Circuit Brekaer. Lets find...

Circuit Breaker Testing with Standard Test Results

by Pranali N | Jan 27, 2019 | Circuit Breaker, SF6CB, VCB | 0 |

There are following Commissioning Tests, Diagnostic Tests and Trials of Circuit Breaker. 1)...

Everything about Circuit Breaker in Power System

by Pranali N | Jan 21, 2019 | Circuit Breaker | 1 |

Circuit Breakers is Protective Device used in Power System to make or Break the Circuit. Definition: CB is an Onload Switching Device, which can operate Manually for Controlling in Normal Conditions and Operate Automatically...

Tripping Circuit of 33 KV Outdoor GO VCB

by Pranali N | Jan 14, 2019 | Circuit Breaker, VCB | 2 |

There are two Tripping Circuits in the Breaker, Called a Trip Circuit 1 and Trip Circuit 2. Both this Tripping Circuits should have different DC Supply and different Tripping. Tripping Circuit of VCB can be divided into...

Troubleshooting Circuit Breaker not Closing Electrically Problem in 33 KV Outdoor GO VCB

by Pranali N | Jan 10, 2019 | Circuit Breaker, VCB | 0 |

A very common problem in EHV Substations, Circuit Breaker not closing Electrically. The...

Closing Circuit of 33 kv Outdoor Gang Operated Vaccume Circuit Breaker

by Pranali N | Jan 7, 2019 | Circuit Breaker | 0 |

There are following elements in the Closing Circuit: Closing Coil TNC Switch Closing Resistance NC...

Control Circuit of 33 KV Outdoor Vaccume Circuit Breaker

by Pranali N | Jan 4, 2019 | Circuit Breaker | 0 |

Control Circuit can be divided into following Circuits: DC Supply to the Breaker Closing Circuit Tripping Circuit Indication Circuit Spring Charge Motor Control Circuit. DC Supply to the Breaker: There are different MCB’s...