Get ready for your power system interview with this comprehensive guide of top power system interview questions and sample answers. Master your interview preparation now! Power Transformer
Only 5% of the faults are of the Permanent nature, rest are transient faults and so auto reclosing EHV Transmission Lines has become a generally accepted practice in Power System. What is Auto-reclosing in EHV Lines ? Ans: Auto-reclose is automatically reclosing a Circuit Breaker in a set time after it has been opened due…
Get ready to ace your electrical machine interview with expert tips and top-notch answers to common questions on induction motors and more. Introduction to Electrical Machines DC Motors
Power System, mainly includes following things: Basic Components of a Power Transmission System are as follows: Basic Components of a Substation are as follows:
[et_pb_section fb_built=”1″ _builder_version=”3.19″ custom_padding=”0|0px|40.2778px|0px|false|false”][et_pb_row custom_padding=”32px|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_accordion _builder_version=”3.19″ body_font=”Times New Roman||||||||” body_text_color=”#000000″ body_font_size=”19px” box_shadow_style=”preset1″][et_pb_accordion_item title=”defination:” open=”on” _builder_version=”3.19″ title_text_shadow_horizontal_length=”0em” title_text_shadow_vertical_length=”0em” title_text_shadow_blur_strength=”0em” body_text_shadow_horizontal_length=”0em” body_text_shadow_vertical_length=”0em” body_text_shadow_blur_strength=”0em”] Ratio of Active Power (P) to Apparent Power (S). Cosine of the Angle Between Voltage (V) and Current (I). Ratio of the Resistance (R) to the Impedance (Z) of…
Detecting the incipient weaknesses in HV insulation. Predicting the remaining life expectancy of the equipment under test. To get the “Benchmark Reference Reading” of equipment when the equipment is new, clean, dry and free from impurities. Isolation: The Test Equipment (CT/Bushing) needs to be made potential free, by removing the jumpers.Tan Delta Point is to…
[et_pb_section fb_built=”1″ _builder_version=”3.7″][et_pb_row _builder_version=”3.7″ custom_padding=”0|0px|16.5938px|0px|false|false”][et_pb_column type=”4_4″ _builder_version=”3.0.47″ parallax=”off” parallax_method=”on”][et_pb_accordion box_shadow_style=”preset1″ box_shadow_color=”#E02B20″ text_orientation=”center” _builder_version=”3.9″][et_pb_accordion_item title=”1)DEFINATION:” _builder_version=”3.9″ open=”on”] MCB- (Miniature Circuit Breaker) Short Circuit & Overload Switching Device. MCCB– (Moulded case Circuit Breaker) Totally insulated Air Circuit Breaker MPCB– (Motor Protection Circuit Breaker) Short ckt Switching Device for the protection of motors. RCCB– (Residual Current Circuit Breaker) is a Leakage Current…
[et_pb_section bb_built=”1″ _builder_version=”3.7″][et_pb_row _builder_version=”3.7″][et_pb_column type=”4_4″][et_pb_accordion _builder_version=”3.7″ box_shadow_style=”preset1″ custom_margin=”|||10px”][et_pb_accordion_item title=”defination:” open=”on” _builder_version=”3.7″ title_text_shadow_horizontal_length=”0em” title_text_shadow_vertical_length=”0em” title_text_shadow_blur_strength=”0em” body_text_shadow_horizontal_length=”0em” body_text_shadow_vertical_length=”0em” body_text_shadow_blur_strength=”0em”] RCCB (Residual Current Circuit Breaker) is a Leakage Current Sensing Device used to protect a Low Voltage Circuit in case of a current flowing through a abnormal path towards earth. [/et_pb_accordion_item][/et_pb_accordion][/et_pb_column][/et_pb_row][/et_pb_section]
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