Substation Integrated AC/DC Power Supply System
Specifically designed for substations and power plants, this system integrates the station service AC power supply, DC control power supply, inverter power supply (INV), and communication DC/DC converters into a unified, station-wide configuration. Each power subsystem within the unit shares a common battery bank, facilitating centralized power distribution and comprehensive real-time status monitoring via a unified intelligent network platform. This holistic design not only significantly reduces the physical footprint of equipment cabinets and the complexity of secondary cabling, but also enhances the digitalization of the power distribution network and the efficiency of integrated, unmanned operational management.
Description
Product Technical Advantages
1. Integrated Shared Battery System: AC, DC, and communication power supplies are unified under a single design, allowing for the comprehensive sharing of the DC system’s battery bank. This eliminates the redundancy associated with configuring separate battery sets—a common feature of traditional solutions—thereby reducing both initial investment and maintenance costs.
2. (N+1) Hot Backup Topology: The rectifier modules utilize independently developed high-frequency soft-switching power supply technology to support dynamic N+1 hot backup. This significantly enhances the fault tolerance and reliability of the power supply for substation secondary control and relay protection systems.
3. Comprehensive Electrical Safety Protection: The system features an automatic output recovery function that activates once a short-circuit fault has been cleared. It also incorporates a complete suite of built-in protection mechanisms—including safeguards against over-temperature, over-voltage, over-current, under-voltage, and phase loss—along with real-time fault alarm capabilities.
4. High Adaptability to Grid Environments: The system boasts a wide AC input voltage range (320V to 530V), ensuring stable power output even within complex or unstable grid environments characterized by significant voltage fluctuations.
5. High-Efficiency Energy Feedback: Both the rectification and inversion stages achieve an efficiency rating of over 90%. Furthermore, the system’s on-load inverter unit supports the efficient feedback of surplus energy back into the power grid, thereby preventing unnecessary discharge losses and delivering significant energy-saving benefits.
Technical Parameters
Product Model: Integrated DC and AC Power Supply for Electric Power
| Item | Unit | Parameter | |||
| AC Rated Input Voltage | V | Single-phase 220, Three-phase 415 | |||
| AC Rated Input Frequency | Hz | 50 (60 customizable on request) | |||
| Rated Output Current of Charging Device | A | 5 10 15 20 30 40 50 60 80
100 150 200 250 300 400 500 |
|||
| DC Rated Output Voltage | V | 25 50 117 234 | |||
| DC Nominal Output Voltage | V | 24 48 110 220 | |||
| Output Current Stabilization Value | 0~100% continuously adjustable | ||||
| Current Stabilization Accuracy | ≤±1% | ||||
| Voltage Stabilization Accuracy | ≤±0.5% | ||||
| Ripple Factor | ≤0.5% | ||||
| Current Sharing Unbalance | ≤±5% | ||||
| Rated Capacity of Battery | AH | 17-3000 | |||
| AC Rated Output Voltage | V | Single-phase 220, Three-phase 380 | |||
| AC Rated Output Frequency | Hz | 50 60 | |||
| AC Rated Output Capacity | kVA | Single-phase output: 1 2 3 5 7 10 15 20 30 | |||
| kVA | Three-phase output: 75 10 15 20 30 40 50 75 100 125 | ||||
| Power Factor | ≥0.99 | ||||
| Efficiency | ≥92% | ||||
| Noise | dB | <50 | |||
| Protection Level | IP41 | ||||
| Overall Dimensions | Height (mm) | Width (mm) | Depth (mm) | Weight (kg) | |
| Optimal Value | 2200 | 800
1000 1200 |
600
800 |
250-500 |
| Optional Value | 2300 | 800
1000 1200 |
550
800 |
270-550 |
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