Supply of a numerical relay test kit with 4 convertible voltages and currents and 3 currents with licensed software suitable for testing numerical relays including iec 61850 compliant relays and with software modules for over current, advance distance, advance differential, advanced power (pole slip, power swing, field failure and backup impedance) along with supply and delivery of a laptop (pre-installed all necessary driving software for numerical relay test kit including product support software, windows 10/11 original os and with backup software) necessary to run the test kit at pjhes