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Product Overview
CHONDA’s 100–1000V Power Supply for PV String Monitoring Systems is specifically designed to provide stable and isolated DC power for photovoltaic monitoring equipment operating in high-voltage solar installations.
Featuring an ultra-wide 100–1000VDC input range, this power supply converts high-voltage DC from photovoltaic strings into regulated low-voltage output for monitoring controllers, communication modules, sensors, and data acquisition devices.
With industrial-grade reliability, high isolation protection, and flexible customization options, it is an ideal solution for PV string monitoring systems, combiner boxes, solar farms, and other renewable energy applications.
Key Features
- Ultra-wide 100–1000VDC input range
- Stable regulated DC output
- High isolation for improved electrical safety
- Designed for photovoltaic monitoring systems
- Low ripple and high efficiency
- Compact industrial-grade design
- Continuous short-circuit protection
- Custom input, output and power options available
Typical Applications
- ✔ PV String Monitoring Systems
- ✔ Combiner Box Monitoring
- ✔ Battery Energy Storage Systems (BESS)
- ✔ Industrial Automation Equipment
- ✔ Solar Tracker Controllers
- ✔ High Voltage Test Equipment
- ✔ Railway Electronics
- ✔ Power Distribution Systems
Application Diagram
Our high voltage DC-DC converters provide stable and reliable low-voltage power for various industrial and energy applications.
Electrical Specifications
Input Specifications
| Parameter | Value |
|---|---|
| Input Voltage | 100–1000VDC (200–1200VDC Optional) |
| Input Current | PHV05: 100mA (typ) PHV10: 230mA (typ) PHV15: 250mA (typ) |
| Surge Current | 10A (100VDC), 20A (1200VDC) |
Output Specifications
| Parameter | Value |
|---|---|
| Output Accuracy | ±1% |
| Line Regulation | ±0.5% (typ) |
| Load Regulation | ±2% (10–100% Load) |
| Ripple & Noise | 100mVp-p (20MHz Bandwidth) |
| Minimum Load | 0% |
| Short Circuit Protection | Continuous, Auto Recovery |
| Over Current Protection | ≥110% Rated Output |
Environmental Specifications
| Parameter | Value |
|---|---|
| Operating Temperature | −40°C to +55°C |
| Storage Temperature | −40°C to +105°C |
| Humidity | 95% RH Max |
| Case Temperature | +80°C Max |
Performance
| Parameter | Value |
|---|---|
| Efficiency | 75% (typ) |
| Switching Frequency | 65–100kHz |
| Start-up Delay | 500ms |
| Dynamic Response | ±4% / 500μs |
| Temperature Drift | 0.02%/°C |
Isolation & Safety
| Parameter | Value |
|---|---|
| Isolation Voltage | 4000VDC / 1 Minute |
| Isolation Resistance | 100GΩ @ 500VDC |
| Leakage Current | 0.03mA RMS |
| Safety Class | Class I |
| MTBF | >215,000 Hours @25°C |
Available Models
Performance Test Results
Input Voltage vs Load
Dynamic load response
Mechanical Dimensions
outside shell size
sectional dimension:1.0mm terminal accuracy:0.1mm other accuracy: ±0.5mm
Frequently Asked Questions
Q1. What is a power supply used for in PV string monitoring systems?
This power supply converts high-voltage DC from photovoltaic strings into stable low-voltage DC for monitoring controllers, communication devices, sensors, and data acquisition equipment.
Q2. What input voltage range does this power supply support?
The standard model supports an ultra-wide 100–1000VDC input range. Extended input ranges and customized solutions are also available for specific applications.
Q3. Why is electrical isolation important?
High isolation protects low-voltage monitoring equipment from high-voltage transients, improves system safety, reduces electrical noise, and enhances long-term reliability.
Q4. Can the output voltage be customized?
Yes. CHONDA provides customized output voltages, power ratings, isolation levels, and mechanical designs according to customer requirements.
Q5. What applications is this power supply suitable for?
Typical applications include PV string monitoring systems, combiner boxes, solar farms, remote monitoring equipment, industrial automation systems, and renewable energy installations.
Q6. Do you support OEM and custom projects?
Yes. We provide OEM and customized power supply solutions, including input voltage range, output voltage, power level, package size, and connector options.
Need a Custom Solution?
Looking for a customized high-voltage DC/DC converter for your photovoltaic or industrial application?
Contact our engineering team for customized input voltage, output voltage, package size, and power solutions.
Looking for other voltage ranges? Explore our complete High Voltage DC-DC Converter Series.
