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…

What is Tan Delta Test?

[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” _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” custom_padding=”20px|20px|20px|20px” inline_fonts=”Arial,Georgia,Times New Roman”] Before discussing about Tan Delta Test, we will find out what is Tan delta and before that we will find out what is Delta, which is also called as Loss Angle. [/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″…

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Tan Delta Test of Transformer- Full procedure explained Step by Step in detail

[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″][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”] Tan Delta Tests are carried out for Transformer Bushing and for the Transformer Winding. Transformer Bushing Tan Delta Test is similar to the CT Tan Delta Test and lnk to the Artivle on CT Tan Delta Test is…

Current Transformer in Power System
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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…

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Transmission Line Distance Protection Explained in detail

Hello friends ! In this post you will get to know everything about the Distance Protection for the Transmission Lines. What is the Principle of Distance Protection? Distance Protection is a Non-unit System of Protection, which measures the Impedance between the Relay Location and the point where the fault is incident and compares it with…

Master Trip Relay (86) Concept in Power System Explained in Detail

Master Trip Relay (86) Concept in Power System Explained in Detail

Master Trip Relay, you may have herd this term , quite a lot of times, now we are going to understand, what it exatly is, in the following post. What is a Master Trip Relay? Defination: Master trip relay is a contact multiplication or an Auxillary  relay, which operates on the command from Multiple protection relays…

What is the Duty Cycle/Operating Sequence of Circuit Breaker specified on the Name Plate
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What is the Duty Cycle/Operating Sequence of Circuit Breaker specified on the Name Plate

[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″][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”] We keep wondering what the heck this sequence on the name plate of the Circuit Brekaer. Lets find it out now. [/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 the Duty Cycle/…

Circuit Breaker Testing with Standard Test Results
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Circuit Breaker Testing with Standard Test Results

[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=”3.19.5″ text_font=”Lato||||||||” text_line_height=”1.3em” custom_padding=”20px|20px|20px|20px” inline_fonts=”Arial,Georgia,Times New Roman”] There are following Commissioning Tests, Diagnostic Tests and Trials of Circuit Breaker. [/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”] 1) Measurement of Insulation Resistance: Objective: To ensure that each pole of…

Everything about Circuit Breaker in Power System

[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=”3.19.5″ text_font=”Lato||||||||” text_line_height=”1.3em” custom_padding=”20px|20px|20px|20px” inline_fonts=”Arial,Georgia,Times New Roman”] Circuit Breakers is Protective Device used in Power System to make or Break the Circuit.  [/et_pb_text][et_pb_text _builder_version=”3.19.3″ text_font=”Lato||||||||” text_line_height=”1.3em” box_shadow_style=”preset1″ custom_padding=”20px|20px|20px|20px” inline_fonts=”Arial,Georgia,Times New Roman”] Definition: CB is an Onload Switching Device, which can operate Manually for…

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Winding Resistance Test of Power 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=”3.19.4″ text_font=”Lato||||||||” text_line_height=”1.3em” custom_padding=”20px|20px|20px|20px” inline_fonts=”Arial,Georgia,Times New Roman”]There are two Tripping Circuits in the Breaker, Called a Trip Circuit 1 and Trip Circuit 2. Both this Tripping Circuits should have different DC Supply and different Tripping.  Tripping Circuit of VCB can be divided into…

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