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Synchroscopes – Sifam Tinsley


Sifam Tinsley Synchroscopes are designed to provide an illuminated indication of actual phase difference between the BUS Voltage(reference voltage) & the GENERATOR Voltage(incoming voltage).

It denotes the actual frequency difference corresponding to the inverse of time taken for one rotation of the illuminated vector spot. When two alternators are paralleled, it is necessary that, 1) Frequency must be equal and 2) {jase ,ist be the same.. Sychroscope is, hence used to indicate the Phase & Frequency difference between two AC alternators, which are to be paralleled.

The rotation of the vector spot is with reference to the bus voltage. If the vector spot LED turns clockwise,it indicates the GENERATOR frequency is greater than the BUS frequency. It means the speed of the generator must be reduced by the operator. If the spot LED turns anticlockwise,the GENERATOR frequency is less than BUS frequency.In this case speed of the generator must be increased.

  • Rotating LEDs indicate frequency & phase difference between generator & bus voltages
  • Green SYNC LEDs indicate frequency & phase match

Catalog Page 028a                                        SQ94_Datasheet

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Item # Input Voltage Size P/N Minimum Order Ship From Country
SQ94-V02XXNXWAW0ST100V or 127V96x96mmSQ94-V02XXNXWAW0ST1US
SQ94-V12XXNXWAW0ST480V or 415V96x96mmSQ94-V12XXNXWAW0ST1US
SQ94-V03XXNXWAW0ST110V or 100V96x96mmSQ94-V03XXNXWAW0ST1US
SQ94-V05XXNXWAW0ST240V or 220V96x96mmSQ94-V05XXNXWAW0ST1US
SQ94-V04XXNXWAW0ST127V or 120V96x96mmSQ94-V04XXNXWAW0ST1US
SQ94-V06XXNXWAW0ST380V or 415V96x96mmSQ94-V06XXNXWAW0ST1US
SQ14-V01XXNXWAW0ST100V or 120V144x144mmSQ14-V01XXNXWAW0ST1US
SQ94-V07XXNXWAW0ST380V or 440V96x96mmSQ94-V07XXNXWAW0ST1US
SQ14-V02XXNXWAW0ST100V or 127V144x144mmSQ14-V02XXNXWAW0ST1US
SQ14-V03XXNXWAW0ST110V or 100V144x144mmSQ14-V03XXNXWAW0ST1US
SQ14-V04XXNXWAW0ST127V or 120V144x144mmSQ14-V04XXNXWAW0ST1US
SQ14-V05XXNXWAW0ST240V or 220V144x144mmSQ14-V05XXNXWAW0ST1US
SQ14-V06XXNXWAW0ST380V or 415V144x144mmSQ14-V06XXNXWAW0ST1US
SQ14-V07XXNXWAW0ST380V or 440V144x144mmSQ14-V07XXNXWAW0ST1US
SQ14-V12XXNXWAW0ST480V or 415V144x144mmSQ14-V12XXNXWAW0ST1US
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