Should the generator rotor insulation standard be converted to 75 degrees?

Introduction Should the generator rotor insulation standard be converted to 75 degrees? Should the generator rotor insulation standard be converted to 75 degrees? Is the excitation resistor not used?

Should the generator rotor insulation standard be converted to 75 degrees?

Should the generator rotor insulation standard be converted to 75 degrees? Why does the short circuit resistance need to be converted to 75 degrees? Baidu knows:

When the generator is used under rated value? Operating conditions, excitation system voltage, current and loss are all reflected based on the DC resistance value of the rotor at 75 or 130 degrees. The 75 and 130 here are determined based on the generator insulation level for B. For level F insulation, choose 75 degrees, and for level F insulation, choose 130 degrees. So the generator...

Baidu Knows 2016-12-22

Generator rotor insulation standards

1. The stator insulation measurement location is in the generator. Grounding cabinet. Stator insulation can only be measured when the rotor is stationary or rotating, the generator is charged with hydrogen at nominal pressure, thestator cooling water is put into operation and the conductivity of the cooling water is approximately 0.2 μs/cm. 2. Measurement methods and...

Baidu Knows 2020-01-02

Generator insulation requirements-20211027214301.doc-Original document

4 Standards for generator rotor insulation: when the external circuit is disconnected, the insulation value of a 300 V megger at 20°C should not be less than 100 MQ; at 30°C, it must not be less than 50 MQ (10 minutes) Insulation value/; I minute insulation value), when it is lower than the above value, the reason must be found, otherwise it will not be...

Original force document 2021-10- 27

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1 page · ¥10 · Heat 50

2.2.3.2 Insulation requirements before starting the generator: 1. The insulation resistance of the generator must be tested by maintenance personnel before starting. 2. The. generator insulation measurement conditions: The conductivity of the cooling water is about 0.2 scm; the hydrogen pressure is at the nominal value; open the grounding knife of the neutral point of the generator:...

Quark Document 2019-05-21

What is the insulation value of the generator rotor_Baidu knows

Answer: 3

Not less than 0.1 M ohm.

Baidu knows

Generator insulation requirements-20210325234330.docx-original document

4 Generator rotor insulation standards: when the external circuiterne is disconnected When using a 500V megger, the insulation value at 20°C should not be less than 100MΩ; at 30°C, it must not be less than 50 MΩ; the polarization index IP must be greater than 2 to qualify (IP=10 minutes insulation value/1 minute insulation value), less than The above values ​​must be...

Original force document 2021-03-25

Generator insulation requirements (1 page) - Original force document

Total 1 page

4 Generator rotor insulation standards: when the external circuit is disconnected, the insulation value of a 500 V megger at 20°C should not be less than 100 MΩ at 30°C, it should not be less than 50 MΩ; IP must be greater than 2 to qualify (IP=10 minute insulation value/1 minute insulation value), when it is lower than the above value, it must...

Original document 2019. -09-21

Standards for the value of rotorsgenerator ? Cheese Answer

Stator insulation can only be measured when the rotor is stopped or starting, the generator is charged with hydrogen up to the nominal pressure, water stator cooling is put into operation and the conductivity of the cooling water is approximately 0.2 μs/cm. 2. Each unit has different measurement methods and standards. ①. The generator must be untied before measuring the unit stator insulation...

Cheese Answer 2022-03-18

Generator Rotor Insulation Standard_Cheese Answer

1. The stator insulation measurement location is at the generator neutral point grounding cabinet. Stator insulation can only be measured when the rotor is stationary or rotating, the generator is charged with hydrogen at rated pressure, the stator cooling water is turned on and the conductivity of cooling water est of approximately 0.2 μs/cm. 2. Measuring methods and...

Cheese Answer 2021-03-23

Generator insulation requirements.docx-Taodou.com

4 Standards for generator rotor Insulation: Use a 500V oscillating meter when the external circuit is disconnected. Use a 500V oscillating meter when the external circuit is disconnected. The insulation value at 20°C should not be less than. the meter at 20°C. The insulation value at 20℃ should not be lower than the insulation value at 20℃...

Taodou.com

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