SPAU341C1-AA Voltage relay SPAU 341 C SPAU 341 C1-AA

The voltage regulator SPAU 341 C is designed for automatic and manual voltage regulation for power transformers with on-load tap-changers in distribution substations. The regulator can be used in association with a single power transformer by measuring voltage alone. When two or three power transformers are run in parallel and more sophisticated regulating principles are used the voltage regulators need to measure both voltage and current. Further, a means of communication between the regulators must be provided. When two transformers are running in parallel three different operating principles can be selected.

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Description

Overview

Essential details：SPAU341C1-AA Voltage relay SPAU 341 C SPAU 341 C1-AA

Product Description

The voltage regulator SPAU 341 C is designed for automatic and manual voltage regulation for power transformers with on-load tap-changers in distribution substations. The regulator can be used in association with a single power transformer by measuring voltage alone. When two or three power transformers are run in parallel and more sophisticated regulating principles are used the voltage regulators need to measure both voltage and current. Further, a means of communication between the regulators must be provided. When two transformers are running in parallel three different operating principles can be selected.

SPAU140C

Product parameter

Scope

Product benefits

  • Automatic and manual voltage regulation for power transformers with on-load tap-changers

APPLICATION

Product features

  • Comprehensive voltage regulation for power transformers with on-load tap-changers in distribution substations
  • 1 A and 5 A tappings on the energizing phase current inputs
  • Selectable rated energizing input voltage of phase-to-phase voltage measurement: 100 V, 110 V, 120 V
  • Three-phase overcurrent and undervoltage blocking
  • Line-drop compensation
  • Maximum three transformers can be operated in parallel when the minimizing circulating current principle is used. Master/slave and negative reactance principles can be used with an unlimited number of transformers in parallel
  • Tap changer position measurement
  • Continuous self-supervision of regulator hardware and software for enhanced system reliability

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Superiority products SPAU341C1-AA Voltage relay SPAU 341 C SPAU 341 C1-AA

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