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Distance Protection Relay
Distance Protection Relay (Product Code: SLE/EPS/12) is a relay module used to teach full-scheme phase and ground distance protection, with up to five zones, in power system protection laboratories. Based on the Micom industrial relay, it also provides overcurrent, earth fault, negative sequence, thermal overload and broken conductor functions, programmed from its keypad or a computer. It is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India.
Key Details
| Parameter | Detail |
|---|---|
| Relay | Based on the Micom industrial relay |
| Distance protection | Full scheme phase and ground distance protection, up to five zones |
| Overcurrent functions | Directional/non-directional phase overcurrent; directional/non-directional negative sequence overcurrent |
| Earth fault | Directional/non-directional earth fault |
| Other protection | Thermal overload protection; broken conductor |
| Element blocking | Blocking of any one protection element |
| Records | Creates fault and disturbance records |
| Programming | Keypad and display on the relay module, or Micom S1 software on a suitable computer |
| Test setup | Fault circuits set up on the Protection and Relay Test Set; relay module then connected to them |
| Product code | SLE/EPS/12 |
| Supplied by | Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India |
What Is the Distance Protection Relay Used For?
A distance relay judges how far away a fault is by comparing voltage and current — in effect measuring the impedance to the fault — and responds according to the zone the fault falls in. This module lets students program up to five zones of full-scheme phase and ground distance protection and see which zone responds to each fault set up on the Protection and Relay Test Set.
The same relay also covers directional and non-directional overcurrent, earth fault and negative sequence overcurrent, thermal overload and broken conductor detection, so one module supports a whole sequence of protection practicals. Its fault and disturbance records let students review each test afterwards, and blocking any one protection element shows how individual functions interact. Settings go in through the keypad or Micom S1 software on a suitable computer.
What to Specify When Ordering
- Whether you already have the Protection and Relay Test Set on which the fault circuits are set up.
- Whether the relay will be programmed from a computer with Micom S1 software.
- Number of relay modules required.
Supplier
Jain Scientific Equipments Private Limited trades as ScienceLab from Ambala, Haryana, India. It supplies the Distance Protection Relay, built around a Micom industrial relay, to universities, engineering colleges and training institutes, together with other engineering lab equipment in India and international markets.
Questions about the relay model, the software or spares are best raised at enquiry stage. Company details are on the ScienceLab profile.
Related Power & Energy Systems Trainers
Other relays and trainers used in the same protection course:
- Differential Protection Relay — Micom-based module for three-phase differential protection.
- Directional/Non-Directional Overcurrent Relay — three overcurrent stages with IDMT curves.
- Overcurrent And Earth Fault Relay — overcurrent and earth fault protection studies.
- Circuit Breaker Trainer — fuses and circuit-breakers under controlled fault currents.
Browse the Power & Energy Systems Trainers category for more.
Frequently Asked Questions
How many protection zones does the Distance Protection Relay offer?
The Distance Protection Relay (SLE/EPS/12) provides full-scheme phase and ground distance protection with up to five zones. Students program the zone settings and then test them against fault circuits set up on the Protection and Relay Test Set.
Which other functions does the Distance Protection Relay include?
Besides distance protection, the Distance Protection Relay offers directional/non-directional phase overcurrent, earth fault and negative sequence overcurrent, thermal overload protection, broken conductor detection, blocking of any one protection element, and fault and disturbance records.
How is the Distance Protection Relay programmed?
The Distance Protection Relay is programmed using the keypad and display on the relay module, or with Micom S1 software and a suitable computer. After programming, the relay module is connected to the fault circuits so tests can be performed.
Which relay is the module based on?
The Distance Protection Relay module is based on the Micom industrial relay, so students practise on real industrial relay hardware with its own keypad, display and settings rather than on a simplified classroom model.
Who supplies the Distance Protection Relay?
The Distance Protection Relay is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, Haryana, India, to institutions and dealers in India and international markets. Quotations are available through the ScienceLab contact page.
What should a quotation request include?
For a Distance Protection Relay quotation, state the quantity, whether you already have the Protection and Relay Test Set used to create the fault circuits, and whether you plan to program the relay with Micom S1 software on a computer.
Request a Quote
Send a Distance Protection Relay (SLE/EPS/12) enquiry through the contact page, or add it to the enquiry cart with the other relays and trainers for your protection lab.
Last updated: 24 September 2026
