ABB RET615E_E Relion 615 Protection Relay
The ABB RET615E_E, also cataloged as the RET615E_E Protection Relay, operates as a dedicated hardware component for transformer differential protection and unit supervision within Relion 615 substation automation networks.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | RET615E_E |
| Brand | ABB |
| Origin | Switzerland |
| Weight | Standard withdrawable module weight |
| Dimensions | Compact panel/rack mounting enclosure |
| Operating Temp | -25 to +55 deg C |
| Power Consumption | Station battery / auxiliary power driven |
| System Platform | ABB Relion 615 Series |
| Communication Protocols | IEC 61850 Ed. 2, Modbus, DNP3, IEC 60870-5-103 |
| Enclosure Style | Withdrawable plug-in unit |
| Protection Functions | Transformer Differential Protection, Overcurrent, Neutral Grounding Supervision |
Backplane Bus Communication & Deterministic Networks
The ABB RET615E_E executes high-speed signal distribution across internal backplane bus channels and station Ethernet networks. Utilizing IEC 61850 Edition 2 and process bus protocol (IEC 61850-9-2 LE) standards, the unit transmits peer-to-peer GOOSE communications and sampled analog values across deterministic substation architectures. Internal firmware flash compatibility supports multi-layer logic schemes programmed via PCM600 software, driving real-time trip circuit decisions without introducing relay backplane communication latencies.
Frequently Asked Questions
Q: How does the withdrawable design feature benefit panel maintenance and relay swapping?
A: The withdrawable plug-in chassis configuration allows technicians to insert or remove the main relay assembly from the panel casing without disturbing existing rear terminal wiring harness connections.
Q: Which communication protocols enable connection to third-party SCADA systems?
A: The module supports native IEC 61850 Edition 2, DNP3, Modbus, and IEC 60870-5-103, as well as Profibus DPV1 when interfaced via an SPA-ZC 302 adapter module.
Q: Can customized protection schemes be loaded onto the RET615E_E?
A: Yes, multi-layer logic functions utilizing internal timers and flip-flops are configured using the signal matrix and graphical logic editor in the PCM600 software toolset.
Field Installation Guidelines
Position the outer casing securely into the panel cutout and verify that the earth grounding strap attaches directly to the main station copper earth bus. Route all current transformer (CT) secondary wiring through dedicated shorting blocks prior to securing connections at the rear terminal block. Ensure process bus and station bus Ethernet cables adhere to industrial shielding standards with proper strain relief. Activate shorting links on current input terminals before removing the withdrawable unit from its housing during routine testing or maintenance.
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| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
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