AC high current testers offer simple control
A
Magnus Power product story
Edited by the Engineeringtalk editorial team
Mar 22, 2000
Sussex-based Magnus Power has introduced a new AC high-current control desk-based fixture for the testing of devices that need calibrated current measurements.
Sussex-based Magnus Power has introduced a new AC high-current control desk-based fixture for the testing of devices that need calibrated current measurements.
Typical examples might include transducers and circuit breakers.
This has been the result of a joint venture to provide specialist test equipment for manufacturers of such devices.
Magnus Power's main output is the production of frequency converters, and the smaller models in the range have been, for many years, used as linear power amplifiers designed and built by a local consultancy company.
It is this company that is the other partner in the joint venture.
This linear power amplifier has now been developed to form the basis of a test fixture for a well-known transducer manufacturer.
The result has been sufficiently successful for Magnus Power to agree to make its specialist production resources available for the volume build of similar units.
In use, operation of the new test fixture is as follows: after threading a busbar through up to twelve transducer units under test, the operator plugs the bar into sockets either side of the control desk.
Test currents of up to 1,200A rms from 40 to 99Hz, depending upon model, can then be generated using simple pushbutton controls.
The first production unit provides the DC supply required by the transducers and brings out their AC outputs for logging and validation by external equipment.
For other applications, such as testing current transformers (CTs) or circuit breakers, a range of test configurations will be offered.
Magnus Power, a division of Kvaerner Oilfield Products Ltd., also designs and manufactures uninterruptible power supplies (UPS).
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