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  • Electrical Testing and Commissioning Play all

    Electrical testing and commissioning is the process of planning, documenting, scheduling, testing, adjusting, verifying, and training to provide a facility that operates as a fully functional system.
    • TanDelta/Power Factor Testing - Background - Duration: 7 minutes, 23 seconds.

      • 8 years ago
      • 110,729 views
      OMICRON Educational Video: In this video you will learn about means to measure the quality of the insulation of power transformers and bushings, such as power factor or dissipation factor measureme...
    • Diagnosing Transformer Winding Insulation - Duration: 3 minutes, 29 seconds.

      • 7 years ago
      • 89,466 views
      This video shows the progression of power factor or dissipation factor over frequency. Furthermore, measuring transformer winding insulation, including the connection of measuring leads, is explain...
    • ATS functional transfer switch test procedure explained - Duration: 2 minutes, 26 seconds.

      • 1 year ago
      • 29,757 views
      A general procedure for functional testing of an automatic transfer switch and standby generator is described. Before proceeding, read and understand all manufacturer's instructions and review the ...
    • Substation Circuit Breaker Testing - Duration: 4 minutes, 34 seconds.

      • 2 years ago
      • 41,856 views
      Circuit Breakers are an important and critical component of the power delivery system. In this video, learn about the components of a circuit breaker, different breaker technologies, and the variou...
    • Circuit Breaker Testing - Duration: 5 minutes, 52 seconds.

      • 5 years ago
      • 2,052,868 views
      Circuit breakers allow the flow of energy to be controlled by safely switching currents on and off at all voltage levels of the energy grid. The interrupter and the mechanical drive are the main co...
      • CC
    • Circuit breaker electronic trip unit explained - Duration: 4 minutes, 7 seconds.

      • 1 year ago
      • 8,808 views
      The Electronic Trip Unit is a microprocessor controlled, multi-function over-current protective device for application with low voltage power circuit breakers. The adjustment flexibility provided b...
    • 3 Phase Ground Fault Detector - Duration: 7 minutes, 14 seconds.

      • 5 years ago
      • 35,643 views
      This video demonstrates ground fault detection on a typical floating Marine Electrical Distribution System
    • Basic Principles of Protective Relays and Circuit Breakers operation - Duration: 12 minutes.

      • 7 years ago
      • 196,376 views
      General introduction on protective relaying for power systems as well the operation principles of circuit breakers.
    • System Groudning - Duration: 13 minutes.

      • 7 years ago
      • 27,565 views
      Power Systems Grounding Practices
    • Circuit Breaker Trip Curves Explained - Duration: 19 minutes.

      • 3 years ago
      • 32,706 views
      Altech discusses Circuit Breaker Trip Curves.
    • Single Bus Electrical Substation Configuration Explained - Duration: 70 seconds.

      • 1 year ago
      • 745 views
      The single bus substation configuration is the simplest and least expensive of all configurations. This configuration requires less installation area and it can be easily expanded. Single bus confi...
    • Main and Transfer Bus Electrical Substation Configuration Explained - Duration: 85 seconds.

      • 1 year ago
      • 3,720 views
      In the main and transfer bus configuration, the protective relay scheme is quite complex due to the requirement of the tie breaker to handle each situation for maintenance of any other circuit brea...
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  • Protective Relays Play all

    A protective relay is a relay device designed to trip a circuit breaker when a fault is detected. The first protective relays were electromagnetic devices, relying on coils operating on moving parts to provide detection of abnormal operating conditions such as over-current, over-voltage, reverse power flow, over-frequency, and under-frequency. Microprocessor-based digital protection relays now emulate the original devices, as well as providing types of protection and supervision impractical with electromechanical relays.
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  • Circuit Breakers Play all

    A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current, typically resulting from an overload or short circuit. Its basic function is to interrupt current flow after a fault is detected. Unlike a fuse, which operates once and then must be replaced, a circuit breaker can be reset (either manually or automatically) to resume normal operation.
    • Installation of Circuit Breaker 3AP1-FG (Siemens) - Duration: 9 minutes, 33 seconds.

      • 2 years ago
      • 30,199 views
      High-Voltage Circuit-Breaker 3AP1 FG

      Technical Data
      The new 3AP1 FG circuit-breaker will be delivered completely
      mounted on a breaker base and prefilled with arc
      quenching gas SF6
      .
      Rated voltage ...
    • Circuit Breakers - How they Work, What's Inside - Duration: 18 minutes.

      • 4 years ago
      • 216,667 views
      A look inside a typical circuit breaker or MCB.

      These particular ones are made by Crabtree, but most others will be similar inside.

      These were removed from an installation after being damaged by ...
    • Fuse vs Circuit Breaker │ Difference between Fuse and Circuit Breaker │ - Duration: 3 minutes, 18 seconds.

      • 2 years ago
      • 74,268 views
      Fuse vs Circuit Breaker │ Difference between Fuse and Circuit Breaker │

      Electricity is the main power source in our households and industry. With its innumerous advantages, still electricity may ...
      • CC
    • 1200kV Circuit Breaker - Duration: 5 minutes, 11 seconds.

      • 6 years ago
      • 1,408,860 views
      This Circuit Breaker is the highest rated circuit breaker in the world, only one unit is sufficient for three states of India. The engineers forgot to document (high quality video or stills) during...
    • Learn How to Conduct Circuit Breaker Testing Using the ISA CBA1000 - Duration: 7 minutes, 40 seconds.

      • 2 years ago
      • 15,959 views
      This video demonstrates how to setup the ISA CBA1000 to perform circuit breaker analysis with ease.

      The ISA CBA1000 Circuit Breaker Analyser provides basic timing testing for both the circuit bre...
    • ABB 145 KV SF6 circuit breaker - Duration: 3 minutes, 13 seconds.

      • 2 years ago
      • 27,366 views
      ABB make 132KV SF6 Circuit Breaker.

      ABB offers a comprehensive range of high-voltage products up to 1200 kilovolts AC and 1100 kilovolts DC that help enhance the safety, reliability and efficiency...
    • Air Blast Circuit Breaker - Duration: 26 seconds.

      • 6 years ago
      • 21,517 views
      Turn the volume up on your speakers so you can hear the circuit breaker mechanism.
      @ the Eakring training center

      This video was uploaded from an Android phone.
    • CBS ArcSafe® RRS-1: Remote Racking With A Westinghouse DS Circuit Breaker - Duration: 2 minutes, 43 seconds.

      • 8 years ago
      • 11,498 views
      Demonstration of a CBS ArcSafe®e RRS-1 universal remote racking system racking a Westinghouse DS low voltage power circuit breaker. The CBS ArcSafe® RRS-1 is a universal remote racking system capa...
    • High-voltage circuit breaker testing with OMICRON's CIBANO 500 and CB MC2 - Duration: 6 minutes, 32 seconds.

      • 5 years ago
      • 56,920 views
      Testing high-voltage circuit breakers presents a different set of challenges, such as several interrupters per phase and long distances between drive cabinet and main contacts. The combination of C...
      • CC
    • Intelligent circuit breaker animation - Duration: 90 seconds.

      • 4 years ago
      • 5,049 views
      3D Product Animation "Intelligent circuit breaker" www.rdigital.cn
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  • Electrical Safety and Arc Flash Play all

    Numerous workers are injured and/or killed each year while working on energized equipment. Many of these workplace injuries are a result of arc flash, a type of electrical explosion that results from a low-impedance connection to ground or another voltage phase in an electrical system.
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  • Transformers Play all

    A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction. A varying current in one coil of the transformer produces a varying magnetic field, which in turn induces a voltage in a second coil.
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  • Electrical Substations Play all

    A substation is a part of an electrical generation, transmission, and distribution system. Substations transform voltage from high to low, or the reverse, or perform any of several other important functions. Between the generating station and consumer, electric power may flow through several substations at different voltage levels. A substation may include transformers to change voltage levels between high transmission voltages and lower distribution voltages, or at the interconnection of two different transmission voltages.
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