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    Showing 1-16 of 43 results
    Transmission-switching

    Why Do We Use Transmission Switching in Electricity Supplies?

    • Categories Power System, Circuit Breaker, Electrical Relays, Switchgear, Transmission Line

    A transmission switching system is an essential component of the electricity supply network. It enables electricity transmission from one line to another for end users. It also helps ensure that …

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    Principle of core balance protection RCCB working

    How RCCB/ELCB Protects You from Death?

    • Categories Power System, Circuit Breaker, Electrical Relays, Measurement, Switchgear

    Earthing does not guarantee that humans will be safe when they come into contact with live conductors. Although relays may be installed to detect earth leakages, typically their settings are …

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    electrical fuse

    What is an Electrical Fuse? Types, Properties, and Application

    • Categories Basic Electrical, Circuit Breaker, Electronics

    An Electrical Fuse is a vital component of any equipment. It is used as an indicator of a defect in the system. It protects the equipment from overcurrent or overloading. …

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    Type B MCB

    Type B Miniature Circuit Breaker ( Type B MCB)

    • Categories Circuit Breaker, Switchgear

    A Type B MCB is a common type of miniature circuit breaker used to protect low power domestic circuits and residential application from overcurrent and short circuit faults. The MCB …

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    Complete Guide on Ground Fault Circuit Interrupters

    GFCI (Ground Fault Circuit Interrupter) – Working, Types, Installing and Troubleshooting

    • Categories Circuit Breaker, Basic Electrical, Power System, Switchgear

    A ground fault circuit interrupter (GFCI or GFI) is an inexpensive electrical switchgear device that can either be installed in your electrical system or built into a power cord to protect …

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    Auto Reclosing principle

    Auto Reclosing of Power Lines and Types of Faults

    • Categories Circuit Breaker, Power System

    The goal of the auto reclosing in power lines is to restore the line to service as quickly as possible after a temporary fault in the transmission line. Automatic reclosing …

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    Square D Circuit Breaker

    Square D QO Circuit Breakers

    • Categories Circuit Breaker, Power System

    QO stands for Qwik-Open. Square D QO Circuit Breakers are fastest tripping circuit breakers at 1/60th of a second. QO™ Circuit Breakers provide the high level of protection you expect …

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    Circuit-Breaker-Working-Principle.gif

    Circuit Breaker Definition, Working Principle and Arcing Phenomenon

    • Categories Circuit Breaker, Substation, Switchgear

    Definition A circuit breaker means the device which breaks (Open) the circuit under the abnormal condition and protects the system from hazards. The function of a circuit breaker is to isolate …

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    Current 2BTransformer 2BConstruction 2Bor 2BCircuit 2BDiagram 2Band 2BSymbol

    Current Transformer (CT) – Construction and Working Principle

    • Categories Circuit Breaker, Electrical Machines, Generation, Instrumentation, Measurement, Power System, Substation, Switchgear, Transformer

    A current transformer (CT) is a type of transformer that is used to measure AC current. It produces an alternating current (AC) in its secondary which is proportional to the AC …

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    motor control center

    What are Motor Control Centres?

    • Categories Power System, Circuit Breaker, Electrical Relays, Synchronous Motor, Three Phase Induction Motor

    The Motor Control Centre is used in general to describe combinations of enclosures, busbars, circuit breakers, power contactors, power fuses, protective relays, controls and indicating devices. Read more about switchgear …

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    Gas insulated switchgear parts

    Introduction to Gas Insulated Substations / Switchgears (GIS)

    • Categories Power System, Circuit Breaker, Electrical Relays, Substation, Switchgear, Transformer

    Gas-insulated substations (GIS) have been used in power systems over the last three decades because of their high reliability, easy maintenance, small ground space requirement, etc. This article is an …

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    Low voltage Switchgear

    Low Voltage Switchgear

    • Categories Switchgear, Circuit Breaker, Electrical Relays, Generation, Instrumentation, Measurement, Power System, Substation

    As per IEC 60947, switchgears with rated voltages up to 1000 V ac and 1500 V dc are termed as low voltage switchgear. The term ‘switchgear’ is a generic term …

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    what is fuse

    What is a FUSE and How it Works?

    • Categories Power System, Basic Electrical, Circuit Breaker

    A fuse protects an electrical circuit or device from excessive current when a metal element inside it melts to create an open circuit. In this post, we will look into the …

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    substation earthing

    Substation Earthing System Design

    • Categories Power System, Basic Electrical, Circuit Breaker, Electrical Relays, Generation, Substation, Switchgear, Transformer

    We have already given an introduction to substation earthing system in an article published earlier. Today we are going to discuss the design of substation earthing system. Before 1960s the …

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    Solid State Relay

    Solid State Relays (Static Relays)

    • Categories Power System, Basic Electrical, Circuit Breaker, Electrical Relays, Instrumentation, Measurement, Substation, Switchgear

    What is a Static Relay? There are two basic classifications of relays – Electromechanical Relays and Solid State Relays (Static relay). One main difference between them is electromechanical relays have …

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    all day efficiency of transformer

    All Day Efficiency of Transformer

    • Categories Transformer, Basic Electrical, Circuit Breaker, Electrical Machines, Locomotives, Power System, Substation, Switchgear

    Definition The ratio of output in kWh to the input in kWh of a transformer over a 24-hour period is known as all day efficiency. ηall-day = Output in kWh …

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    Errors in Moving Iron Instruments
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    Auto Reclosing principle
    Auto Reclosing of Power Lines and Types of Faults
    15Feb2019

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