WEG GRT7-TR1 Installation, Operation And Maintenance Manual
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WEG GRT7-TR1 Installation, Operation And Maintenance Manual

Automatic voltage regulator
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Motors | Automation | Energy | Transmission & Distribution | Coatings
Automatic Voltage Regulator
Regulador Automático de Tensión
Regulador Automático de Tensão
GRT7-TR1
Installation, Operation and Maintenance Manual
Manual de Instalación, Operación y Mantenimiento
Manual de Instalação, Operação e Manutenção
Automatic Voltage Regulator - GRT7-TR1 | 1

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Summary of Contents for WEG GRT7-TR1

  • Page 1 Motors | Automation | Energy | Transmission & Distribution | Coatings Automatic Voltage Regulator Regulador Automático de Tensión Regulador Automático de Tensão GRT7-TR1 Installation, Operation and Maintenance Manual Manual de Instalación, Operación y Mantenimiento Manual de Instalação, Operação e Manutenção Automatic Voltage Regulator - GRT7-TR1 | 1...
  • Page 2 Automatic Voltage Regulator - GRT7-TR1...
  • Page 3 Manual de Instalação, Operação e Manutenção Document # / Nº do documento: Models / Modelos: GRT7-TR1, Language / Idioma: English / Español / Português Revision / Revisión / Revisão: 01 December / Diciembre / Dezembro, 2016 Automatic Voltage Regulator - GRT7-TR1 | 3...
  • Page 4 Automatic Voltage Regulator - GRT7-TR1...
  • Page 5 GENERAL INDEX / ÍNDICE GENERAL / ÍNDICE GERAL Installation, Operation and Maintenance Manual Page 7 - 20 Manual de Instalación, Operación y Mantenimiento Páginas 21 - 35 Manual de Instalação, Operação e Manutenção Páginas 36 - 51 Português Automatic Voltage Regulator - GRT7-TR1 | 5...
  • Page 6 Automatic Voltage Regulator - GRT7-TR1...
  • Page 7 If requested, WEG can supply an extra copy of this manual. The equipment serial number and model should be informed by the customer, when making the request.
  • Page 8 Automatic Voltage Regulator - GRT7-TR1...
  • Page 9 DIMENSIONAL DRAWINGS (MM) ..................17 IDENTIFICATION OF CONNECTION TERMINALS ............... 17 DIAGRAM FOR TEST WITHOUT GENERATOR..............17 PROBLEMS, CAUSES AND CORRECTIVE ACTIONS ............19 PREVENTIVE MAINTENANCE ................... 19 WARRANTY ........................19 NOTES ............................ 20 http:// ww w.polux.ind.br/ Automatic Voltage Regulator - GRT7-TR1 | 9...
  • Page 10 Automatic Voltage Regulator - GRT7-TR1...

  • Page 11: Safety Information

    The under frequency protection set point is adjustable by trimpot, and the nominal operating frequency can be set to 50Hz or 60Hz. Automatic Voltage Regulator - GRT7-TR1 | 11...

  • Page 12: Technical Characteristics

    ¹ For an input voltage of 80Vac, the maximum output voltage obtained is 76Vdc. For 150Vac of input voltage, the output voltage obtained is 144Vdc, that is, the maximum dc output voltage is equal to 0.95 x the ac voltage input. ² Recommended the use of multi-turn potentiometer. Automatic Voltage Regulator - GRT7-TR1...

  • Page 13: Block Diagram

    P3: Rotating CW, U/F range increases and rotating CCW, it decreases. P4: Rotating CW, reactive compensation range increases. NOTE 1. A potentiometer may be connected for fine voltage adjustment (5KΩ/ 3W) at terminals 6 and 7. Automatic Voltage Regulator - GRT7-TR1 | 13...

  • Page 14: Operation

    10% below Fn. For operation at 60Hz it is adjusted to 54Hz and for operation at 50 Hz it is adjusted to 45Hz, the value of which can be changed based on each application requirements. Frequency (Hz) Frequency (Hz) Automatic Voltage Regulator - GRT7-TR1...
  • Page 15 The current in TC primary must be 20% bigger than the nominal current of the machine; The TC operation frequency must be equal to the generator frequency; The TC isolation voltage class must be bigger than the generator output voltage; It must support 1.2 x In. Automatic Voltage Regulator - GRT7-TR1 | 15...

  • Page 16: Connection Diagrams

    1. Before connecting the regulator to the generator, check installation manual and the nominal reference voltage; 2. If the reference voltage is not equal to the generator output voltage, do not make the connections without first contacting the service department. Automatic Voltage Regulator - GRT7-TR1...

  • Page 17: Dimensional Drawings (Mm)

    1 - Bipolar breaker (5A recommended); 1 - Extension cable; 1 - Plug 110V. NOTE 1. After performance of such steps as per the procedure the equipment must be sent for evaluation by GRAMEYER technical support. Automatic Voltage Regulator - GRT7-TR1 | 17...
  • Page 18 4º. Turn slightly the trimpot Vad clockwise (the lamp must shine after certain position of trimpot) 5º. With lamp on, turn slightly the trimpot Vad counter-clockwise (after certain position of trimpot, the lamp must turn off); 6º. Turn off the circuit breaker. Automatic Voltage Regulator - GRT7-TR1...

  • Page 19: Problems, Causes And Corrective Actions

    Periodical inspections of the equipment are required to ensure they are clean, dust and moisture free. It is essential that all terminal and connections are kept free from corrosion. 16 WARRANTY See Installation and Maintenance Manual for WEG G Line Generator. WEG Equipamentos Elétricos S.A. International Division Av.
  • Page 20 NOTES Automatic Voltage Regulator - GRT7-TR1...

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