Megger unveils protection relay test set
A
Megger product story
Edited by the Engineeringtalk editorial team
Mar 30, 2009
Megger has introduced the Freja 306 protection relay test set.
It provides an economical system for testing protection relays, including differential types, and has six independently controlled current outputs.
The Freja 306 provides low-level analogue inputs, which are designed for transducer measurements, plus high-level inputs for normal voltage and current measurements
The Freja 306 features extended Hi-Current outputs, rugged construction and a wide operating temperature range, making it ideal for field use.
It is suitable for use as a stand-alone device, or in conjunction with a PC running the Freja WIN software package.
In either case, the operation of the instrument is straightforward and intuitive, with Freja WIN adding the benefits of a highly intuitive graphical user interface, as well as enhanced options for automated testing.
The outputs of the Freja 306 can be configured as 3 x 15A plus 3 x 35A, or as 1 x 100A.
The outputs with a 35A rating are particularly useful when testing 5A relays, while the capability of these outputs of generating up to 50V eases the testing of many types of electromechanical relay.
The Freja 306 also provides low-level analogue inputs, designed for transducer measurements, and high-level inputs for normal voltage and current measurements.
Static and dynamic tests can be performed with the instrument including, for example, pre-fault and fault generation, simultaneous ramping of multiple quantities and waveform editing.
The Freja 306 can also be used, in conjunction with Freja SIM software, as a disturbance simulator with the capability of importing recorded disturbances.
It complements the Freja 300 protective relay test set, which will continue to be available.
Users of Freja 300 instruments can upgrade them to the full Freja 306 specification simply by adding an auxiliary CA30 amplifier module that attaches easily and neatly to the bottom of the instrument.
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