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Product Overview
CHONDA’s High Voltage DC-DC Converter for Solar Monitoring Equipment is designed to provide reliable isolated DC power for monitoring devices operating in photovoltaic and renewable energy systems.
With an ultra-wide 100–1000VDC input range, this converter efficiently converts high-voltage DC into regulated low-voltage output for monitoring controllers, communication units, environmental sensors, and remote data acquisition equipment.
Engineered for industrial applications, it offers high electrical isolation, stable performance, and flexible customization, making it an ideal power solution for solar farms, distributed PV systems, and intelligent energy management.
Key Features
- Ultra-wide 100–1000VDC input
- High isolation for enhanced system safety
- Stable regulated DC output
- Optimized for solar monitoring equipment
- Low ripple and industrial-grade reliability
- Compact design for easy system integration
- Continuous short-circuit protection
- OEM and customized solutions 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 solar monitoring power supply?
A solar monitoring power supply converts high-voltage DC from photovoltaic systems into stable low-voltage DC for monitoring controllers, sensors, communication modules, and remote monitoring equipment.
Q2. Can this converter be used in solar farms?
Yes. It is designed for utility-scale solar farms, distributed photovoltaic systems, and renewable energy monitoring applications requiring reliable isolated power.
Q3. What input voltage range is supported?
The standard model supports 100–1000VDC input. Customized input ranges up to 1500VDC are also available for special projects.
Q4. Why is isolation important for monitoring equipment?
Electrical isolation protects sensitive monitoring electronics from high-voltage transients, improves measurement accuracy, and enhances long-term system reliability.
Q5. Can CHONDA customize this power supply?
Yes. We provide customization for input voltage, output voltage, power rating, isolation level, mechanical dimensions, and connectors.
Q6. What industries use this product?
Typical applications include photovoltaic monitoring systems, solar farms, environmental monitoring stations, industrial automation, renewable energy systems, and remote communication equipment.
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.




