Dry type Transformer failure reasons and troubleshooting
Dry-type transformers are a part of most electrical installations. They range in size from small doorbell transformers to three-phase 25-kVA […]
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What is Eddy Current and Eddy Current loss
What is Eddy Current? If a coil is wound on a ferromagnetic core (such as in a transformer) and alternating
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Transformer Differential Protection and their diagram
Transformer Differential Protection Percentage differential protection is used for large power transformers above 5 MVA rating for the protection against
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Polyphase Transformers and their connection
What is Polyphase Transformers? Almost all the major power generation and distribution systems in the world today are three-phase ac
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Sumpner’s test or back to back test on Transformer
Sumpner’s Test conducted to Transformer to determine Sumpner’s test or back to back test on transformer is method for determining
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Special Transformer Types and Application
Phase Shifting Transformer (PST) A special kind of transformers like PST or Phase Shifting Transformer is used to control the
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What is Transformer Vector Group and Types of Vector group
Definition of Transformer Vector Group The transformer vector group show the phase difference between the primary and secondary sides of
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Transformer IDMT, Differential and all Relay setting calculation
Differential Relay Setting Power transformer rating = 30 MVA Voltage Ratio = 33/66 kV Rated voltage (in kV) HV side
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Overhauling of Power Transformer in power system
Steps for Transformer overhauling Overhauling of transformer is required either due to ageing of transformer or due to fault of
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Scott-T Transformer: working , Diagram and Application
Scott Connection of Transformer The Scott connection, also known as the Scott-T transformer connection, is a circuit that enables the
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What is DGA(DISSOLVED GAS ANALYSIS) for transformer oil
What is D.G.A. ? It is study of gases formed in the transformer oil. It is a diagnostic tool helping
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Types of Transformer Losses and their calculation formula
Definition of Loss Loss in any machine is broadly defined as difference between input power and output power.An electrical transformer
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Key point for Parallel Operation of Two Transformers
Why Parallel Operation of Transformers required By parallel operation we mean two or more transformers are connected to the same
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Key action taken while transformer trip or alarm in Buchholz and PRV and OTI/WTI
Key action taken while transformer trip in Buchholz The Buchholz relay has two oil-filled chambers with floats and relays arranged
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What is PRV and OSR relay of Transformer
Full name of PRV and OSR Full name of PRV is Pressure relief valve Full name of OSR is Oil
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Procedure for Maintenance and Periodic Inspection of Transformer
Types of maintenance Breakdown maintenance As the name implies the maintenance is carried out when the equipment fails.For costly equipment
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Types of Routine Test carried out on Power Transformer
Power transformers play a crucial role in electrical systems, ensuring efficient voltage regulation and power distribution. To ensure their reliability
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Function of Buchholz relay in Transformer
Transformers are vital components in electrical systems, responsible for stepping up or down voltages to facilitate efficient power transmission. To
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Understanding OTI and WTI in Transformers and Their Settings
Transformers are critical components in electrical systems, responsible for stepping up or down voltages to facilitate efficient power transmission and
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Key inspection point while Transformer arrive at site
When a transformer arrives at a site, several key inspection points are crucial to ensure its proper installation and functioning.Here
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Types of Transformer use in Solar Power Plant
Introduction Solar Power is generated by photovoltaic panels or concentrated solar power plants. In case of photovoltaic power generation, electric
Power Transformer: An introduction, Working and Essential Accessories
Power transformers are the unsung heroes of the electrical grid, silently facilitating the transmission and distribution of electricity across vast