Sunday, November 20, 2022

Wednesday, November 2, 2022

Anti-Pumping Relay Protection


The Purpose Of Anti-Pumping Relay

The purpose of the mechanical anti-pumping function is to ensure that a circuit breaker receiving simultaneous opening and closing orders does not open and close indefinitely. If there is a continuous closing order, after opening the circuit breaker remains open until the closing order is discontinued.

How do I reset my anti pumping relay?

To reset the anti-pump circuit, close switch has to be released and a new close command has to be provided. This is the operating sequence of Anti-Pump relay.

Tuesday, November 1, 2022

Lead-acid Rechargeable Batteries

 


What is the meaning of lead-acid battery?

The lead–acid battery consists of two electrodes submerged in an electrolyte of sulfuric acid. The positive electrode is made of grains of metallic lead oxide, while the negative electrode is attached to a grid of metallic lead. Lead–acid batteries are classified into two types: flooded and valve-regulated.

What are lead acid batteries used for?

The lead-acid battery represents the oldest rechargeable battery technology. Lead acid batteries can be found in a wide variety of applications including small scale power storage such as UPS systems, starting lighting and ignition power sources for automobiles, along with large, grid-scale power systems.

What are the advantages of lead acid batteries?

Lead acid batteries are widely used in vehicles and other applications requiring high values of load current. Its main benefits are low capital costs, maturity of technology, and efficient recycling.



Electrical Machine

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