Current Transformer

Why CT Polarity is so very important?

[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”]…

Current Transformer

Can we Open Secondary Circuit of a Live CT?

[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”] No, we cannot open the Secondary Circuit of a Live CT, because it will make the CT to Explode. Here one question my arise that both CT and Power Transformer are Transformers but Open Circuiting CT…

Current Transformer in Power System
Current Transformer | Instrument Transformer

Current Transformer in Power System

Current Transformer, also called as CT,  is an essential equipment in the Power System, mainly in Transmission & Distribution Systems. What is Current Transformer? It is an Instrument Transformer, which replicates the Primary Current, but at much lower values, which can be measured by Relays/Meters.   It is a Step-up type Transformer and so the…

Current Transformer

Insulation Resistance Test for Current Transformer

[et_pb_section fb_built=”1″ _builder_version=”3.17.6″ 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=”3.19″][et_pb_column type=”4_4″ _builder_version=”3.19″ parallax=”off” parallax_method=”on”][et_pb_text _builder_version=”3.19.2″ text_font=”Georgia||||||||” text_line_height=”1.3em” box_shadow_style=”preset1″ custom_padding=”20px|20px|20px|20px” inline_fonts=”Arial,Georgia”] Aim/Purpose of the IR Test: To ensure that, each winding of the Current Transformer, has sufficient Insulation Resistance with respect to Earth (CT Body) and between the two Secondary Cores. [/et_pb_text][et_pb_text _builder_version=”3.19.2″ text_font=”Georgia||||||||” text_line_height=”1.3em” box_shadow_style=”preset1″ custom_padding=”20px|20px|20px|20px” inline_fonts=”Arial,Georgia”]…

Tan Delta Testing of CT/Bushing
Current Transformer | Testing

Tan Delta Testing of CT/Bushing

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