DA-D230 Series Transformer Monitoring and Control DevicePower Automation
The DA-D230 series is designed for pre-assembled box transformers in PV/wind systems. Collects low-voltage analog signals, provides protection, remote control, communication. Enables remote management and automated monitoring of box transformers, meeting "unmanned" needs for safe renewable energy plant operation.
Core Advantages & Features
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High-Precision MeasurementEquipped with high-performance processors and high-precision A/D sampling components, supporting up to 128 samples per cycle for precise measurement and reliable protection.
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Multi-Communication ModesSupports RS485, fiber-optic ring, Ethernet, Wi-Fi, and 4G communication modes.
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Versatile Protocol SupportIntegrated with a communication manager supporting protocols such as IEC 60870-5-101, IEC 60870-5-103/104, Modbus, and IEC 61850.
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High-Voltage CompatibilityDirect high-voltage sampling (up to AC 1000V) with support for high-voltage side tripping circuits and three-circuit differential protection.
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Technical Parameters
| Basic Parameters | ||
|---|---|---|
| Operating power | Power supply input | AC/DC176-600 V |
| Frequency | 50 Hz，±5 Hz | |
| Current Input | Rated value in | 5 A (1 A) |
| Measurement range | 0.01In~1.2In | |
| Measurement error | ≤0.5% | |
Voltage input | Rated value in | 380V/690V/1200 V |
| Measurement range | 0.1Un~1.2Un | |
| Measurement error | ≤0.5% | |
| Additional measurement accuracy | Frequency | ±0.03 Hz |
| Power factor | 士0.5% | |
| Active / Reactive power | 士0.5% | |
| Digital output | Number of channels | 42 |
| Input type | High-voltage input | |
| Isolation method | Opto-isolation, 2500V Isolation voltage | |
| Contact output | Number of channels | 9 |
| Operating voltage | AC250 V, 8 A, AC380 V, 1.9 A，DC220, 1.5 A | |
| Communication interface | Communication interface | 2 x Fiber Optic Ports, 2 x Ethernet Ports, 10 x RS-485 Ports |
| Isolation type | Opto-isolation | |
| Communication protocol | Modbus, IEC 60870-5-103/104 |
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