Testing and Commissioning

ARM Engineering provides comprehensive Testing & Commissioning services for Power generation, Transmission and Distribution systems up to 400kV. With a dedicated team of qualified protection and commissioning Engineers, we execute any Electrical Project in a professional manner meeting all stringent work specification and time schedules.

Relay Tests

We test and configure protection relays as per the customer settings requirements. We test:

Line protection & control relays
Transformer protection & control relays
Power generator protection & Control relays
Motor protection & control relays
Busbar protection and control Relays
Voltage protection and control relays

We have successfully tested relays from different manufacturers such as

ABB: 670 series, 650 series, 630 series, 615 series, 540 Series, & SPAJ Series.
SIEMENS: 7SA Series, 7SD Series, 7SR Series.
Alstom Micom Series: P546, P441.
Vamp: 210,265.
General electric: 489 generator protection.
SEL: 311L,421.
NARI RELAY: P902, P915, P9611.
Effacec: BCU 500, TPU S420, TPU S 430, TPU S220
Schneider Micom Series
XJ Electricals relays.
Woodward relays ..

Transformer Tests

We offer comprehensive testing and commissioning of transformers such as.

Transformer primary tests: insulation power factor, turns ratio, winding excitation, insulation resistance, winding resistance, sweep frequency analysis, leakage reactance, CT saturation and ratio and dissolved gas analysis
Transformer mechanical trips testing (Bucholz, Pressure relief devices and electronic thermal monitors).
On Load tap changer (OLTC) testing, inspection and functional checks
Testing and configuration of power transformer control and Protection relays (Overcurrent, earth fault, differential protection) and OLTC control relay.
Transformer stability tests
Transformer Oil sampling and testing
Performance of predictive maintenances: oil levels, oil sampling and analysis, temperature readings, visual inspections, Infrared thermography and ultrasound

Other Tests

High Voltage Tests (Insulation Resistance, DC/VLF Hipot Test for HV cables and AC Hipot Test for HV Switchgear)
Over Head Line Tests (Insulation Resistance Test, Phase Sequence Check, Positive, Negative and Zero Sequence Impedance)
Earth Measurements (Grid Resistance Measurement, Step and Touch Potential, Earth Pit Resistance and Soil Resistivity Test Measurement)
Motor Tests (Insulation Resistance Test, Full Voltage Test, Load Test and Motor Circuit Analysis)
Switchgear Tests (Breaker timing, contact resistance, insulation resistance, local and remote operation)
Capacitor Bank Tests (Capacitance Measurement, Inductance Measurement and High Voltage Test)
Power Quality Tests (Measuring and Analyzing the Power Quality of Electrical Equipment and Harmonic Analysis)
CT/ VT Tests (Insulation Resistance, Polarity, Excitation, Winding Resistance and Ratio Test)
Battery System Tests (Functional Checks on Charger Panel, Load Test of Battery Charger, Charging and Discharging Test for Battery Cells)
SCADA Setup, Testing and Configuring