2025
May
21

Variable Frequency Drive VFD Motors Principle & Equation

What is a VFD? As the name describes VFD or Variable Frequency Drive is motor controller that drives an electric motor by applying the varying frequency and voltage to the electric motor that are used in the case where we need to

2025
Apr
6

method statement for installation of diesel generator

method statement for installation of diesel generator pdf

Prior to commencement of diesel generator DG set installation work all shop drawing will be submitted for approval and approval will be obtained from the consulting engineer. Approved shop drawing will show the routes with reference numbers as well as the supporting

2025
Apr
6

Circuit Breaker Operating Mechanism MCB Usage & Principle

circuit breaker operating mechanism

What is MCB? MCB or Miniature Circuit Breakers is a mechanical switching device which is capable of making, carrying and breaking currents under normal circuit conditions and also making, carrying for a specified time and automatically breaking currents under specified abnormal circuit

2025
Feb
28

ELCB Earth Leakage Circuit Breaker

What is an ELCB? An Earth Leakage Circuit Breaker (ELCB) is a safety device used in electrical installations with high earth impedance to prevent shock. It detects small stray voltages on the metal enclosures of electrical equipment, and interrupts the circuit if

2024
Oct
21

Construction Usage & Operating Principle of Light Dependent Resistors LDR’s

light-dependent-resistor-ldr

LDR or Light Dependent Resistor which is also known as photo resistor is a device whose resistivity is a function of the incident electromagnetic radiation. SO we can say that these are light sensitive devices. Other terms which are used for LDR

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