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FREJA 300-RELAY TEST SYSTEM
The FREJA™300 relay testing system is a computer-aided relay

testing and simulation system. The weight of FREJA 300 is only

15 kg. The rugged hardware design is built for field use over a wide

temperature range, with the possibilities of intelligent software to

perform rapid testing.

FREJA 300 can be operated with or without a PC. After being put

into the Local mode, FREJA 300 can be used stand-alone without

a PC. Using the Local mode is easy. The function of each key

is described on the display, which also presents the settings and

measured values.

The very accurate (typically 0.01%) low level analogue inputs are

designed for transducer measurements. The high level inputs can

be used as a normal volt- and ammeter. FREJA 300 can generate

4x150 V (82 VA) and 3x15 A (87 VA) or 1x45 A (250 VA). Each

output can be varied independently. Both static and dynamic

testing can be performed, such as prefault and fault generation,

simultaneous ramping of several quantities and wave form editing.

FREJA 300 can be also be used as a fault simulator to ensure

proper relay configuration for specific applications. This is

possible by importing and re-generating transient disturbance files

often referred to as COMTRADE files. These files may include

calculated digital records created by power network simulator

software’s such as EMTP, RTDS or data records from actual fault

events.

With use of the GPS receiver accessory, GPS200 – MGTR, several

FERJA 300 can be synchronized to perform end-to-end testing

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