PROT-TEST power system simulator is a configurable simulation and testing structure that enables the generation of a system of voltages and currents of 50 or 60 Hz frequency, with controlled amplitudes and phase shifts. The frequency of the generated quantities is also controlled within a +/-5 Hz range around the fundamental value.

The ensemble connects via a serial interface to a computing system-compatible control module (afferent to the system structure), using dedicated software to operate the kit's hardware resources.

Main technical features:

supply voltage: 220V AC, 5 A maximum;
main output/input quantities:

3 analog voltage-type outputs (Ur, Us, Ut) with adjustable amplitude in the 0–100 V AC range (max. 0.5 A, 50/60Hz) and adjustable phase shift in the 0–360° range, with a step of 1.8°;
3 AC analog output quantities (Ir, Is, It) with amplitude adjustable in the 0–10 A AC/50Hz range and phase shift adjustable in the 0–360 degree range, with a step of 1.8 degrees;
possibility of adjusting the frequency of the analog outputs (U, I) within the 45–55Hz range, with a step of 0.05 Hz (or 55–65Hz for a base frequency of 60Hz);
independent and galvanically isolated analog output channels;
at least 100W power on each analog output channel;
16 digital inputs (contact or voltage level types) for monitoring the outputs of the protection relays under test;
independent measurement of the generated quantities and, optionally, their recording under preset operating conditions (set voltage or current thresholds or state changes for digital inputs);
possibility of recording digital inputs characterizing the operating mode of the protection relay under test;
serial communication line and owner-developed data protocol, available for connection to desktop or portable computing equipment;
software for real-time control of parameters for generated electrical quantities, as well as their measurement, display, and optional recording;
possibility of analyzing recordings related to the operating mode of the relay under test, including the display of the phasor diagram;
the structure also includes the module for controlling the generated quantities, visualizing their values, and analyzing test recordings; compatible to most of computing systems currently in use;
monoblock construction with approximate overall dimensions of 350x450x480mm, max. weight of 20 kg.