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ISA DRTS 33 Automatic Relay Test System

DRTS 33

DRTS 33 Automatic Relay Test System

DRTS 33 is the leading edge, most powerful and accurate relay, energy meters (class 0.1) and transducers test set manufactured by ISA. The locally and PC controlled test set generates high precision (0.05% accuracy) signals using.

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ISA relay test set during secondary current injection testing at BPDB CERS

Overview

DRTS 33 is the leading edge, most powerful and accurate relay, energy meters (class 0.1) and transducers test set manufactured by ISA. The locally and PC controlled test set generates high precision (0.05% accuracy) signals using multiple DSP technology. Four hardware configurations are available:

Its powerful current outputs (3 x 32 A at 420 VA) and voltage outputs (3 x 300 V at 100 VA) allow to test any type of relays including electromechanical relays. The test sets integrate the IEC 61850 protocol interface for testing relay with Ethernet-based substation communication protocol. DRTS 33 can be operated directly from the front panel by means of a large color graphical display, a rotary selector, a keypad and function keys. Two PC interfaces, USB and Ethernet, allow to control the test set with the.

to act as an independent voltage output, or ,via software, the output can be selected to be: V0 = (V1+V2+V3)/3 or V0 = (V1+V2+V3)/1.73 (bolded stays for vector sum)

Key capabilities

  • Testing all relay technologies: electromechanical,
  • Manual control with color display
  • Simultaneously available: 3 Current and 3
  • High current outputs: 3 x 32 A, 1 x 96 A
  • High power outputs: 3 x 420 VA, 1 x 1000 VA
  • High accuracy outputs: better than 0.05%

Specification

Indicative specification for ISA DRTS 33 Automatic Relay Test System
Voltage Outputs Transient: 0 to 5000 Hz
Low Level Signal Outputs Connections: 4 mm banana sockets

Indicative specification for guidance. Confirm the current manufacturer datasheet for the configuration being quoted.

Typical applications

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