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  • Users: Bira
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  1. Bira

    Blocking voltage setting in under voltage protection relay

    Some under voltage relays provide a blocking voltage setting as one of the relay parameters. The purpose of this setting is to block the operation of the UV relay if the voltage dropped below blocking voltage. Can anyone please provide the following clarifications. 1. What is the purpose of...
  2. Bira

    RM&D Reliability

    Hi....Can anyone have any idea regarding the following questions pertaining to Remote Monitoring & Diagnosis (RM&D) reliability. 1. What is the typical industry relaibility for power power monitoring & diagnosys. ( reliability / MTBF) 2. What kind of reliability test can be done for monitoring...
  3. Bira

    Testing Communication !!!

    dear friends; I am a test engineer & new to communication field. Can anyone plz explain what do we test in communication. To elaborate more; let say I have an equipment which communicates to a server placed locally through modbus/RS 232. What should I test specific to communication. One of my...
  4. Bira

    LV Switchgear Type test as per IEC 60439-1

    dear tech friends...As you know switchgear is a tailor made product & can have different configurations, components etc as per the customer requirement. But when you are going to first time launch a product, you are required to Type test it as per IEC 60439-1 standard ( required mostly for...
  5. Bira

    Testing A UPS

    Hi; Can anyone help me clarifying/providing the following infomations regarding testing a UPS. (3phase, 120KVA) - Any good site where I can find information about UPS testing procedures,test plan, methods, testing set up for UPS and probably some test results. - While testing the UPS, how the...

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