3 PHASE SECONDARY INJECTION KIT

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The 3 Phase Secondary Injection Kit offered by Prism Test & Measure Pvt. Ltd. is a precision testing instrument designed for testing, calibration, and commissioning of protection relays, current transformers (CTs), potential transformers (PTs), and other protection devices used in power systems.

This advanced testing system provides accurate three-phase voltage and current outputs to simulate real power system conditions. It enables engineers and technicians to verify relay performance, test protection schemes, and evaluate system behavior under different electrical conditions.

The instrument features digital metering, adjustable voltage and current outputs, programmable settings, and stable sinusoidal waveforms, ensuring reliable testing results. With built-in safety protections and high-accuracy measurements, the 3 Phase Secondary Injection Kit is widely used in power plants, electrical substations, transmission networks, switchgear testing, and industrial power systems.

Key Features

• 4½ digit digital meters to display set voltage, current, and universal parameters
• High precision three-phase voltage and current output simulation
• Voltage and current adjustment using coarse and fine multi-turn potentiometers
• Frequency adjustment using a multi-turn potentiometer
• Power factor adjustment using push-button controls
• Digital universal meter to display PF, Power (W), VA, VAr, and energy parameters
• Separate output ports for voltage channels (L1, L2, L3 & N)
• Separate output ports for current channels (CT1, CT2 & CT3)
• Programmable current display compatible with different CT ratios
• Output and timer ON/OFF control using toggle switches
• MCB based power ON/OFF control for improved safety
• Stable sinusoidal output with low harmonic distortion
• Overload and short circuit protection for safe operation

Technical Specifications

Parameter Specification
Model 3 Phase Secondary Injection Kit
Input Power Supply 230 V AC, ±5 % @ 50 Hz
Output Voltage Range 0 to 300 V (L-N) or 0 to 520 V Phase to Phase
Output Current Range 0 to 6 A and 0 to 50 A per phase continuous
Output Mode 3 Phase, 4 Wire
Frequency Range 45 Hz to 60 Hz
Power Factor Range 0 (Lag) to Unity to 0 (Lead)
Compliance 20 VA at FS on Voltage ranges, 30 VA at FS on 6A ranges, 250 VA at FS on 50A current ranges
Metering Digital AC Voltmeter, Digital AC Ammeter, Universal meter for PF, W, VA, VAr and energy parameters
Accuracy Class 0.2
Total Harmonic Distortion THD ≤ 1.5%
Controls Voltage and current setting by coarse and fine potentiometers; PF by push buttons; frequency by potentiometer
Output Ports L1, L2, L3 & N, CT1 (Hi/Lo), CT2 (Hi/Lo), CT3 (Hi/Lo)
Protections Overload and short circuit protection
Dimensions 550 mm (W) × 650 mm (D) × 450 mm (H)
Weight Approx. 88 kg

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