12 in stock
GE D60 Line Distance Protection System
GE D60 Line Distance Protection System
Brand/Manufacturer: General Electric
Order Number: D60
Type: Line Distance Protection Systems
Country of Origin: USA
Condition: Original Brand
Lead Time: Available in stock
Payment Term: 100% TT In Advance
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Description
The GE D60, also cataloged as the D60 Line Distance Protection System, operates as a dedicated hardware component for high-speed transmission line protection, series-compensated line monitoring, and single/three-pole tripping execution within substation automation platforms. The digital relay processes multi-phase voltage and current signals to execute five- or six-zone phase and ground distance protection schemes, streaming synchrophasor measurements per IEEE C37.118 and routing GOOSE messages over IEC 61850 process bus networks.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | D60 |
| Brand | GE |
| Origin | USA |
| Weight | 8.5 kg |
| Dimensions | 48.3 cm x 17.8 cm x 24.1 cm |
| Operating Temp | -40 to +70 deg C |
| Power Consumption | Max 45 W |
| System Platform | Multilin Universal Relay (UR) Series |
| Distance Protection | 5 or 6 zones (Quad or Mho, phase and ground) |
| Communication Protocols | IEC 61850 Ed. 1 & Ed. 2, R-GOOSE, Modbus TCP/IP, DNP3 |
| Synchrophasor Standard | IEEE C37.118 (2014) / IEC 61850-90-5 |
| Process Bus Support | IEC 61850-9-2LE, IEC 61869, IEC 61850-9-2 Hardfiber |
| Display Type | Large full-color graphical display with bay mimic |
Backplane Bus Communication & Deterministic Network Integrity
The relay utilizes a high-speed backplane bus architecture to transfer digitized current and voltage samples between input CT/VT transformer cards, processing modules, and high-density digital output contact cards. Supporting IEC 61850 process bus interfaces and Routable GOOSE (R-GOOSE), the internal communication hardware enables sub-cycle distance protection execution and wide-area teleprotection signaling across substation subnets without causing backplane communication latencies or data frame collisions.
Frequently Asked Questions
Q: What distance protection characteristics are supported by the D60 relay?
A: The D60 supports 5 selectable zones (expandable to 6 zones) with either Quad (Quadrilateral) or Mho characteristics for phase and ground distance protection, achieving sub-cycle operating speeds on transmission lines.
Q: How does the D60 support wide-area teleprotection beyond local substation boundaries?
A: The unit implements Routable GOOSE (R-GOOSE) messaging per IEC 61850-90-5, allowing protection signals and trip interlocks to traverse routed IP networks between remote substations.
Field Installation Guidelines
- Secure the relay in a standard 19-inch instrument rack cutout, torquing front panel mounting screws to 1.2 Nm for flush seating.
- Wire secondary current transformer (CT) leads to shorting-type terminal blocks to ensure safety prior to applying load current.
- Connect the main frame ground stud directly to the substation earth busbar using a low-impedance copper strap (minimum 4 mm sq).
- Route direct fiber optic teleprotection cables through dedicated conduits, keeping bend radii greater than 30 mm to prevent signal attenuation.
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