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PCU1-LT
Primary Current Injection Systems - Overview

Overview
The PCU1 series are medium powered primary current injection systems offering output currents up to 5000 amps. The system consists of a separate control unit containing all the metering and control functions and a loading unit that provides the high current output. The PCU1-LT and PCU1-SP are ideally suited to primary current injection, stability testing and circuit breaker testing. In addition, the SP version offers direct-reading of CT ratio and polarity tests and a 100 Amp secondary injection output.

Feature

Model PCU1-LT

Model PCU1-SP

Model PCU2 mk5

Primary Current  Injection

Yes

Yes

Yes

Maximum Output Power

11.5 kVA, 40 sec

11.5 kVA, 40 sec

20 kVA, 5 min

Secondary Current Injection

no

100 Amp

no

CT Ratio / Polarity Test

no

Yes

no

Model PCU1 Primary Current Injection System

PCU1-SP and NLU5000


Features (PCU1-LT and PCU1-SP)
  • 5kA maximum output current.
  • Multi-function digital timing system.
  • Digital true RMS memory ammeter.
  • Solid state switching.
  • 2000A and 5000A loading units.
  • Three range outputs on loading units.
  • Rugged compact design.
  • Optional trolley mounting of system.

Additional Features (PCU1-SP)

  • Secondary injection up to 100A.
  • Auxiliary metering input.
  • Direct reading CT ratio and polarity.


PCU1-SP Current Injection System Mounted on Trolley
PCU1-SP System mounted
on trolley

The control units are rated at 11.5kVA with a two second overload capability of 23kVA using pulse mode. All metering is digital and a memory facility is provided to hold the current reading when the output trips or is switched off. The current is switched by a solid state device and is automatically switched off when the device under test trips.

The PCU1 systems have a high accuracy timing system, allowing timing tests to be carried out to a resolution of 1ms. Selection for normally closed contacts is automatic, and the status of the contacts is shown on the front panel. Timing modes are available to test under and over current devices, re-closers, under and over voltage devices, current trips and circuit breakers.

A full range of high current output leads are available to complement the system in a range of lengths.
 

Ordering Information

T&R Test Instruments PCU1-SP

Primary Current Injection System - Includes Operating manual, mains lead, spare fuse set, NLU2000 or NLU5000 loading unit, and metering leads..

T&R Test Instruments PCU1-LT

Primary Current Injection System - Includes Operating manual, mains lead, spare fuse set, NLU2000 or NLU5000 loading unit, and metering leads..

 

Optional Accessories

T&R Test Instruments ADMlog

Software (to log results transfer them to a spreadsheet)

T&R Test Instruments Pelicase

Carrying accessory, includes space for both instrument and test leads.

   

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Macey's Electrical Pty. Ltd.
ABN 17 344 601 468
Unit 1, 49 Gavenlock Road, Tuggerah, NSW Australia 2259
Phone: +61 2 4353 4644    Mobile: 0412 678 925
Email: sales@maceyselectrical.com.au