ABB SYN 5302a-Z.V277 3BHB006716R0277 DCS Synchronizer Unit

• Brand
  ABB
• Model
  SYN 5302a-Z.V277
• Product Name
  SYCHROTACT 5 Dual-Channel Automatic Generator Synchronizer Unit
• Country of Origin
  Sweden
• HS Code
  8537209000
• Dimensions
  447mm×17 mm×200mm
• Weight
  8.0 kg
• Operating Temperature
  -10 ℃ ~ +70 ℃
• Storage Temperature
  -40 ℃ ~ +85 ℃
• Part Number
  3BHB006716R0277
• Warranty
  12 month
• Product Status
  New and original

ABB SYN 5302a-Z.V277 3BHB006716R0277 Complete Product Specification

Core Technical Parameters

1. Rated Working Power Supply: 24 VDC (allowable fluctuation range: 19.2 VDC ~ 28.8 VDC, ±20%)

2. Typical Operating Current: 0.85 A @ 24 VDC rated voltage

3. Total Power Consumption: 20.4 W

4. Synchronization Accuracy: Voltage deviation ≤ ±0.1%, phase angle deviation ≤ ±1°

5. Applicable Power Frequency: 50 Hz / 60 Hz switchable

6. Protection Class: Front panel IP40, internal cabinet IP20

7. Relative Humidity: 5% - 95% non-condensing

8. Communication Interfaces: RS485 Modbus RTU, PROFIBUS-DP, IEC 61850, LON bus

9. I/O Configuration: Isolated digital input/output, high-current relay output (no auxiliary relay required for direct drive)

10. Installation Method: Standard cabinet fixed mounting

ABB SYN 5302a-Z.V277 3BHB006716R0277 Standard Wiring & Connection Method

1. Power Supply Wiring

Positive terminal: Connect stabilized 24VDC industrial control power positive pole;

Negative terminal: Connect power negative pole and cabinet protective ground simultaneously;

Use shielded DC cables, power wiring must be separated from signal wiring to avoid interference.

2. Voltage Sampling Wiring (Generator & Grid)

Two groups of independent three-phase voltage sampling terminals are connected to generator terminal voltage and busbar grid voltage respectively;

Adopt insulated high-voltage signal cables, strictly follow phase sequence marking for wiring to prevent synchronization failure.

3. Digital Input & Relay Output Wiring

Digital input terminals: Connect external circuit breaker position feedback, enable/disable synchronization signals;

Relay output terminals: Directly connect to circuit breaker closing control loop and alarm signal output loop.

4. Communication Bus Wiring

RS485/Profibus communication terminals connect to upper DCS/PLC system via shielded twisted-pair cables;

Only single-point grounding of the shielding layer at the control cabinet end to eliminate common-mode interference.

5. Wiring Precautions

All wiring operations must be completed under full power-off status of the synchronizer;

High-current power cables and weak signal sampling cables must be routed separately;

ABB SYN 5302a-Z.V277 3BHB006716R0277  Product Advantages

1. Dual-channel redundant independent processor design, extremely high operational reliability, meeting SIL2 safety standards for power system critical equipment;

2. High-precision vector synchronization algorithm, effectively reducing grid impact during paralleling, protecting generator and power grid equipment;

3. Supports 7 groups of preset synchronization parameter libraries, flexible switching for multiple grid connection points to reduce on-site debugging workload;

4. Built-in isolated strong-current relay outputs, can directly drive circuit breaker closing loops without additional intermediate relays;

5. Rich multi-protocol communication, compatible with mainstream industrial automation systems, supporting both local panel configuration and remote parameter modification;

6. Optimized EMC electromagnetic compatibility design, stable operation in strong electromagnetic interference environments of power plants;

7. Full backward compatibility with old-generation SYCHROTACT synchronization devices, convenient for system renovation and upgrading;

8. Global ABB official after-sales service and complete spare parts supply chain, long-term stable operation guarantee for power projects.

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