Solar Power Cheap Price AC Drive Made in China VFD Speed Controller Gd PV Frequency Converter

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Product Description

📋 Basic Specification
Model NO.
SD500
Principle
Vector Control Transducer
Switch Mode
High Carrier Frequency PWM
Circuit Type
Voltage/Current
Power Supply
Low Voltage VFD
Function
Simple, Constant Torque, Solar
Power (Kw)
22
Phase
3 Phase
Capacity
66000 PCS/Year
HS Code
8504409990
🚀 Product Overview

In the Middle East and Africa, as well as countries with abundant sunlight, solar systems for agricultural irrigation are becoming more and more popular. Solar pump inverter is the important part of the whole system, it can directly connect with solar panel, convenient operation and energy saving.

Series applies to transforming three phase 380V or Single phase 220V submersible deep well pump into solar water pump system. It converts DC power from solar modules into AC power to drive all kinds of water pumps.

⚙️ Technical Specifications
Category Terminal Function Description
Power Supply 24V / COM Provides 24V±10% (max 200mA) for digital I/O or sensors.
Digital Input S1 - S4 Forced mains switch, Full-water/Empty-water alarms, Single/two phase algorithm.
Communication RS485 / 422 ModBus protocol and special terminals for boost module.
Relay Output RO1A/B/C Contact capacity: 3A/AC250V. Used for auto mains & PV switching control.
🌟 Key Features
  • Auto start or sleep after connecting to solar panel without parameter setting.
  • Built-in PV over-voltage protection and polarity reverse warning.
  • MPPT efficiency reaches 99% for stable frequency output.
  • Models ≤ 2.2kw support boost modules to reduce solar panel quantity (up to 13 pcs).
  • Hybrid function between solar and grid input for 24-hour unattended operation.
  • GPRS support for remote monitoring via mobile APP.
💎 Hardware & Components
IGBTSTARPOWER / INFINEON / FUJI
Cooling FanPELKO / NIDEC
CapacitorsRUBYCON / JIANGHAI
ElectronicsDELTA
🏭 Manufacturing & Quality
📜 Certification & Packing
❓ Frequently Asked Questions
1. Can I get some samples for testing?
Yes, sample orders are available for quality checks and market tests.
2. What is the standard delivery time?
Small orders typically take 3-5 working days, while large orders take 10-15 days.
3. What payment methods are accepted?
We accept various payment terms including T/T, L/C, Western Union, PayPal, and Cash.
4. How long is the warranty period?
We offer an 18-month warranty on our solar pump inverters.
5. How do you ensure product quality?
Quality is our priority. Every product is fully assembled and carefully tested before packing and shipping, adhering to ISO9001 and CE standards.
6. Do you support remote monitoring?
Yes, our systems support GPRS modules, allowing you to monitor performance remotely via a computer or mobile APP.

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