Polarization index (PI) test on Insulators

ByPranali N

[et_pb_section fb_built=”1″ _builder_version=”3.29.3″][et_pb_row _builder_version=”3.29.3″][et_pb_column _builder_version=”3.29.3″ type=”4_4″][et_pb_text _builder_version=”3.29.3″ hover_enabled=”0″] All Electric Insulations are dielectric in Nature and have a Capacitive Property. During application of Voltage across the Electrical Insulation, initially there will be a charging current After few instants, the Insulation becomes totally charged and the Capacitive Chrging Current becomes zero. Hence, it is recommended tp…

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Transformer Insulation Explained !

ByPranali N

[et_pb_section fb_built=”1″ _builder_version=”3.22.3″ background_color=”rgba(255,255,255,0.76)” custom_margin=”0px|||0px” custom_padding=”0|0|0|0|false|false” fb_built=”1″ _i=”0″ _address=”0″][et_pb_row _builder_version=”3.25″ custom_margin=”-36px|auto||auto||” custom_padding=”0|0px|20.1389px|0px|false|false” _i=”0″ _address=”0.0″][et_pb_column type=”4_4″ _builder_version=”3.25″ custom_padding=”|||” custom_padding__hover=”|||” _i=”0″ _address=”0.0.0″][et_pb_text module_class=”custom-module” _builder_version=”3.27.4″ text_font=”Lato||||||||” text_line_height=”1.2em” header_font=”||||||||” box_shadow_style=”preset1″ custom_margin=”0px||” custom_padding=”20px|20px|20px|20px” inline_fonts=”Arial,Georgia,Times New Roman” _i=”1″ _address=”0.0.0.1″] What are different types of Insulations used in Transformer? There  are two types of Insulations used in Transformers:  1) Oil  2) Solid…

Why CT Polarity is so very important?

ByPranali N

[et_pb_section fb_built=”1″ _builder_version=”3.22.3″ background_color=”rgba(255,255,255,0.76)” custom_margin=”0px|||0px” custom_padding=”0|0|0|0|false|false”][et_pb_row _builder_version=”3.25″ custom_margin=”-36px|auto||auto||” custom_padding=”0|0px|20.1389px|0px|false|false”][et_pb_column type=”4_4″ _builder_version=”3.25″ custom_padding=”|||” custom_padding__hover=”|||”][et_pb_text _builder_version=”3.19.5″ text_font=”Lato||||||||” text_line_height=”1.3em” min_height=”71px” custom_padding=”2px|20px|20px|20px||” inline_fonts=”Arial,Georgia,Times New Roman”] First of all we will find out what is polarity and then we will see why it is so important in CT. [/et_pb_text][et_pb_text module_class=”custom-module” _builder_version=”3.21.4″ text_font=”Lato||||||||” text_line_height=”1.2em” header_font=”||||||||” box_shadow_style=”preset1″ custom_margin=”0px||” custom_padding=”20px|20px|20px|20px” inline_fonts=”Arial,Georgia,Times New Roman”]…

TNC Switch Working, Application and Connection Diagram

TNC Switch Working, Application and Connection Diagram

ByPranali N

TNC Switch is used in the RP/CP (Remote TNC Switch) and in the Breaker (Local TNC Switch) for Tripping and Closing the Breaker Manually. What is a TNC Switch? It is a Three Position Switch, used for Closing or tripping the Breaker Manually from Control Panel/Relay Panel in the Control Room.  The Three Positions are…

Circuit Breaker: 100 Interview Questions !

ByPranali N

[et_pb_section fb_built=”1″ _builder_version=”3.22.3″ background_color=”rgba(255,255,255,0.76)” custom_margin=”0px|||0px” custom_padding=”0|0|0|0|false|false”][et_pb_row custom_padding=”0|0px|20.1389px|0px|false|false” custom_margin=”-36px|auto||auto||” _builder_version=”3.22.3″][et_pb_column type=”4_4″ _builder_version=”3.19″][et_pb_text _builder_version=”3.19.5″ text_font=”Lato||||||||” text_line_height=”1.3em” min_height=”71px” custom_padding=”2px|20px|20px|20px||” inline_fonts=”Arial,Georgia,Times New Roman”] We have planned to give you 100 Interview Questions on Power Transformer. We will go on adding questions, till we reach 100 and may be we will add more than 100. Please click on the Red…

Power Transformer: 100 Interview Questions !

ByPranali N

[et_pb_section fb_built=”1″ _builder_version=”3.22.3″ background_color=”rgba(255,255,255,0.76)” custom_margin=”0px|||0px” custom_padding=”0|0|0|0|false|false”][et_pb_row custom_padding=”0|0px|20.1389px|0px|false|false” custom_margin=”-36px|auto||auto||” _builder_version=”3.22.3″][et_pb_column type=”4_4″ _builder_version=”3.19″][et_pb_text _builder_version=”3.19.5″ text_font=”Lato||||||||” text_line_height=”1.3em” min_height=”71px” custom_padding=”2px|20px|20px|20px||” inline_fonts=”Arial,Georgia,Times New Roman”] We have planned to give you 100 Interview Questions on Power Transformer. We will go on adding questions, till we reach 100 and may be we will add more than 100. Please click on the Red…

Overcurrent & Earthfault Protection – Basic Concept:
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Overcurrent & Earthfault Protection – Basic Concept:

ByPranali N

[et_pb_section fb_built=”1″ _builder_version=”3.22.3″ background_color=”rgba(255,255,255,0.76)” custom_margin=”0px|||0px” custom_padding=”0|0|0|0|false|false”][et_pb_row custom_padding=”0|0px|20.1389px|0px|false|false” _builder_version=”3.22.3″][et_pb_column type=”4_4″ _builder_version=”3.19″][et_pb_text _builder_version=”3.19.5″ text_font=”Lato||||||||” text_line_height=”1.3em” custom_padding=”20px|20px|20px|20px” inline_fonts=”Arial,Georgia,Times New Roman”] In this post we will be seeing , the Basic Concept of Overcurrent Protection, which includes, relay Characteristics, Relay Settings with Example. [/et_pb_text][et_pb_text module_class=”custom-module” _builder_version=”3.19.9″ text_font=”Lato||||||||” text_line_height=”1.2em” header_font=”||||||||” box_shadow_style=”preset1″ custom_margin=”0px||” custom_padding=”20px|20px|20px|20px” inline_fonts=”Arial,Georgia,Times New Roman”] What is an Overcurrent…

Buchholz Relay in Transformer

ByPranali N

[et_pb_section fb_built=”1″ _builder_version=”3.22.3″ background_color=”rgba(255,255,255,0.76)” custom_margin=”0px|||0px” custom_padding=”0|0|0|0|false|false”][et_pb_row custom_padding=”0|0px|20.1389px|0px|false|false” custom_margin=”-36px|auto||auto||” _builder_version=”3.22.3″][et_pb_column type=”4_4″ _builder_version=”3.19″][et_pb_text _builder_version=”3.19.5″ text_font=”Lato||||||||” text_line_height=”1.3em” min_height=”71px” custom_padding=”2px|20px|20px|20px||” inline_fonts=”Arial,Georgia,Times New Roman”] Bucholz Relay provides Mechanical Protection for Transformer. [/et_pb_text][et_pb_text module_class=”custom-module” _builder_version=”3.22.4″ text_font=”Lato||||||||” text_line_height=”1.2em” header_font=”||||||||” background_color=”rgba(239,239,0,0.28)” box_shadow_style=”preset1″ custom_margin=”0px||” custom_padding=”20px|20px|20px|20px” inline_fonts=”Arial,Georgia,Times New Roman”] What is a Buchholz Relay? It is a Oil and gas actuated Protection Relay for Mechanical…

What is UPS ? An Introduction to Uninterruptible Power Supply !

ByPranali N

[et_pb_section fb_built=”1″ _builder_version=”3.22″ background_color=”rgba(255,255,255,0.76)” custom_margin=”0px|||0px” custom_padding=”0|0|0|0|false|false”][et_pb_row custom_padding=”0|0px|20.1389px|0px|false|false” custom_margin=”-36px|auto||auto||” _builder_version=”3.22″][et_pb_column type=”4_4″ _builder_version=”3.19″][et_pb_text _builder_version=”3.19.5″ text_font=”Lato||||||||” text_line_height=”1.3em” min_height=”71px” custom_margin=”-20px||-3px|||” custom_padding=”19px|20px|20px|20px||” inline_fonts=”Arial,Georgia,Times New Roman”] UPS is Uninterruptble Power Supply. [/et_pb_text][et_pb_text module_class=”custom-module” _builder_version=”3.22.2″ text_font=”Lato||||||||” text_line_height=”1.2em” header_font=”||||||||” box_shadow_style=”preset1″ custom_margin=”0px||” custom_padding=”20px|20px|20px|20px” inline_fonts=”Arial,Georgia,Times New Roman”] What is UPS ? UPS is an Electrical Equipment that provides alternate power supply to Sensitive and Critical…

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