Electrical Test Equipment For Substation & Protection Relay Testing
Products: Secondary Injection: TRES
Three phase relay test set.
The TRES is a comprehensive, portable three-phase test system capable of testing all types of electromechanical and digital protective relays.
The system comprises 2 independent units (PTE-50-CET & PTE-300-V), each with three independent output channels.
Each output channel is reversible from Voltage to Current (in the Voltage unit) or from Current to Voltage (in the Current unit).
Each output is controlled for Amplitude and Phase Angle and can be ‘linked’ into a Master-Slave coordinated sequence, with simulated ramp and dynamic changes.
All output signals are digitally generated, amplified, and internally controlled by the IGM’s (Intelligent Generator Modules) which interpret the commands received from the front panel to produce a highly accurate and stable output with low distortion that is independent of the voltage supply.
The system also allows optional connection to a computer for either automatic testing of relays or control of the equipment using Windows compatible software.
CHARACTERISTICS
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Complete Three phase system supplied in 2 units (PTE-300-V/PTE-50-CET.
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Reversible Outputs (Up to 6 current and 6 Voltage Outputs).
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Three phase current output 3 x 50A or 3 x 150V.
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Three phase voltage output 3 x 300V or 3 x 8A.
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Variable phase angle from 0°-360°, independent in each output channel.
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Variable frequency between 40 to 420 Hz.
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Programmable frequency ramp, with selectable ramp speed between 0.01 Hz/s to 10 Hz/s.
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Instantaneous Frequency Step from one value to another.
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Harmonic Selection, independent in each current phase to the 7th harmonic.
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Output power is 100 VA in each channel.
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Fully isolated outputs.
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Manual Control of all outputs and phase angles, independent in each channel or linked when making two phase or three phase tests.
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Fault Simulation can be programmed and achieved manually on the front panel controls.
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Capability to perform dynamic and transient tests with a bandwidth of 0.5 to 5000 Hz.
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Completely programmable from a computer.
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Close Case Calibration.
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Built-in timer with reading in seconds or cycles.
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3 independent monitors.
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External phase and frequency reference.
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Case: IP-65.
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Portable.
