Products Description
| Company Information | |||
| [email protected] | |||
| Mobile | +8613950166376 | ||
| +8613950166376 | |||
| 13950166376 |
Technical Specifications
| Parameter | Description |
|---|---|
| Product Model | ABB RET670 1MRK002816-AA Transformer Protection Relay |
| Device Type | Transformer protection IED (Intelligent Electronic Device) |
| Application | Two-/three-winding transformers, autotransformers, shunt reactors, etc. |
| Protection Functions | Differential (87T), REF (87N), distance (21), overcurrent (50/51), etc. |
| Communication Protocols | IEC 61850, IEC 60870-5-103, DNP3.0, LON, SPA |
| Measurement Accuracy | Voltage/Current: ±0.25%, Power: ±0.5% |
| Time Synchronization | IRIG-B, GPS, IEC 61850, Binary Input |
| Disturbance Recorder | Up to 40 analog & 96 binary signals |
| Auxiliary DC Supply | 24–250 V DC (per PSM module specification) |
| Binary Inputs | 8–16 optically isolated (depending on BIM/IOM) |
| Binary Outputs | Up to 24 relay outputs, 6 high-speed static outputs |
| Control Capabilities | Synchronizing, Interlocking, Breaker Control |
| HMI | Graphical LCD, keypad, local RJ45 port |
| Mounting Options | 19″ rack, flush, or wall mounting |
| Dimensions | 265.9 × 223.7 × 242.1 mm |
| Weight | 10 kg |
FAQ
FAQ
Q1: How many transformer windings does RET670 support?
A1: The RET670 supports both two- and three-winding transformers with up to six stabilized current inputs.
Q2: Does RET670 support IEC 61850 protocol?
A2: Yes, RET670 fully supports IEC 61850-8-1 including GOOSE messaging and process bus applications.
Q3: How is time synchronization achieved in RET670?
A3: RET670 offers multiple synchronization options including GPS, IRIG-B, IEC 61850, LON, or binary input.
Q4: Is a disturbance recorder available in the RET670?
A4: Yes, RET670 includes a built-in disturbance recorder that logs up to 40 analog and 96 binary channels.
Q5: What types of overcurrent protection are available?
A5: RET670 provides instantaneous, four-step delayed, directional and non-directional phase and earth overcurrent protection.
Q6: Does RET670 provide both high and low impedance REF protection?
A6: Yes, RET670 supports both high-impedance and low-impedance restricted earth fault protection methods.
Q7: Can RET670 be used for synchronism checking and control?
A7: Yes, the device includes synchronizing, synchrocheck, and energizing check functions for automated control.
Q8: Is RET670 suitable for remote communication and control?
A8: Absolutely, RET670 supports binary/analog remote signal transmission and integrates easily with SCADA systems.
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Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
