The HollySys HGD730 variable frequency drive delivers robust motor control through dual vector algorithms designed for compact industrial machinery. Backed by specialized regional engineering logistics from Beijing Zhongping Technology, this drive ensures seamless operational stability across fluctuating power grids.

Industrial automation designers frequently encounter space constraints inside control panels alongside severe thermal challenges during continuous operation. Standard variable frequency drives often derate their output capacity when ambient temperatures exceed forty degrees Celsius, forcing engineers to oversize enclosures or install auxiliary cooling equipment. The HGD730 variable frequency drive eliminates this inefficiency by maintaining full rated performance up to an ambient temperature of 50°C without requiring capacity reduction. Utilizing advanced microprocessors and optimized thermal dissipation channels, this drive processes high-frequency modulation algorithms while keeping physical dimensions minimal, making it an ideal choice for dense machine tool layouts and conveyor systems.
Technical Specifications
Series: HGD730
Control Technology: V/F Control (VVF) and Sensorless Vector Control (SVC)
Output Formats: Speed and Torque Output
Rated Ambient Temperature: 50°C Without Derating
Operation Interface: One-Key Shuttle Knob
Model HGD730-0R4-2B: Power 0.4 kW @ Single/Three-Phase 220 V @ Input Current 2.8 A
Model HGD730-0R7-2B: Power 0.75 kW @ Single/Three-Phase 220 V @ Input Current 4.8 A
Model HGD730-1R5-2B: Power 1.5 kW @ Single/Three-Phase 220 V @ Input Current 8.0 A
Model HGD730-2R2-2B: Power 2.2 kW @ Single/Three-Phase 220 V @ Input Current 10.0 A
Model HGD730-0R7-3B: Power 0.75 kW @ Three-Phase 380 V @ Input Current 2.5 A
Model HGD730-1R5-3B: Power 1.5 kW @ Three-Phase 380 V @ Input Current 4.2 A
Model HGD730-2R2-3B: Power 2.2 kW @ Three-Phase 380 V @ Input Current 5.6 A
Model HGD730-4R0-3B: Power 4.0 kW @ Three-Phase 380 V @ Input Current 9.4 A
Model HGD730-5R5-3B: Power 5.5 kW @ Three-Phase 380 V @ Input Current 13.0 A
Model HGD730-7R5-3B: Power 7.5 kW @ Three-Phase 380 V @ Input Current 17.0 A
Model HGD730-011-3B: Power 11.0 kW @ Three-Phase 380 V @ Input Current 25.0 A
Model HGD730-015-3B: Power 15.0 kW @ Three-Phase 380 V @ Input Current 32.0 A
Model HGD730-018-3B: Power 18.5 kW @ Three-Phase 380 V @ Input Current 38.0 A
Model HGD730-022-3B: Power 22.0 kW @ Three-Phase 380 V @ Input Current 45.0 A
Model HGD730-030-3: Power 30.0 kW @ Three-Phase 380 V @ Input Current 60.0 A
Model HGD730-030-3B: Power 30.0 kW @ Three-Phase 380 V @ Input Current 60.0 A
Model HGD730-037-3: Power 37.0 kW @ Three-Phase 380 V @ Input Current 75.0 A
Model HGD730-037-3B: Power 37.0 kW @ Three-Phase 380 V @ Input Current 75.0 A
Model HGD730-045-3: Power 45.0 kW @ Three-Phase 380 V @ Input Current 90.0 A
Model HGD730-055-3: Power 55.0 kW @ Three-Phase 380 V @ Input Current 110.0 A
Model HGD730-075-3: Power 75.0 kW @ Three-Phase 380 V @ Input Current 150.0 A
Model HGD730-090-3: Power 90.0 kW @ Three-Phase 380 V @ Input Current 176.0 A
Model HGD730-110-3: Power 110.0 kW @ Three-Phase 380 V @ Input Current 210.0 A
Model HGD730-132-3: Power 132.0 kW @ Three-Phase 380 V @ Input Current 253.0 A
Model HGD730-160-3: Power 160.0 kW @ Three-Phase 380 V @ Input Current 304.0 A
System Integration and Hardware Setup
Proper physical installation dictates the long-term reliability of any industrial variable frequency drive deployment. Panel builders must route incoming power lines separately from low-voltage control circuits to minimize electromagnetic interference inside the enclosure. Shielded twisted-pair cables should connect analog input terminals and communication ports, with the cable shield properly grounded at both ends to a dedicated EMC grounding plate. Terminal screws require tightening to specified torque ratings using calibrated tools to prevent loose connections from generating localized heat during high-current operations. Engineers must also verify that the internal cooling fan has adequate clearance from wire ducts to maintain optimal airflow across the internal heat sink fins.
Reliability and Environmental Durability
Harsh factory floors demand robust hardware protection features to safeguard sensitive semiconductor components against dust, humidity, and voltage transients. The internal architecture of this variable frequency drive incorporates multi-layer conformal coating on printed circuit boards to resist corrosive airborne particles and conductive dust accumulation. Comprehensive diagnostic functions monitor output overcurrent, input phase loss, and thermal overload conditions in real time, executing protective shutdowns before physical damage occurs. The integrated one-key shuttle dial reduces mechanical wear associated with traditional multi-button keypads, offering tactile precision during parameter adjustments and commissioning tasks.
Selection Guidance and Alternative Options
Choosing the correct power rating requires careful evaluation of the driven load profile, distinguishing between constant torque applications like extruders and variable torque requirements such as centrifugal pumps. For standard three-phase asynchronous motors operating in tight spaces, matching the input voltage class and continuous output current is critical to prevent premature thermal tripping. When replacing legacy hardware or planning new panel layouts, application engineers can leverage technical support from Beijing Zhongping Technology to secure accurate cross-referencing and prompt local component availability. Their technical team assists users in verifying specific drive parameters against unique mechanical load requirements to ensure seamless system integration.
Frequently Asked Questions (FAQ)
1. What are the delivery times and shipping policies for orders placed through Beijing Zhongping Technology?
Standard stock items ship within 24 to 48 hours following order confirmation, while specialized high-power configurations follow customized project logistics schedules coordinated by our regional logistics team.
2. Does Beijing Zhongping Technology provide a standard commercial warranty for this product series?
All supplied units include a comprehensive 12-month factory warranty covering manufacturing defects and internal hardware malfunctions from the date of shipment.
3. What is the primary advantage of the 50°C no derating feature on the HGD730?
It allows the drive to deliver its full rated output current in ambient environments up to 50°C without requiring manual capacity reduction or oversizing the electrical enclosure.
4. How does the one-key shuttle knob function during field commissioning?
The shuttle interface combines rotational navigation with a push-to-select mechanism, allowing engineers to scroll through parameter groups and modify values rapidly without multi-step menu navigation.
5. Can this drive control both standard asynchronous and permanent magnet motors?
Yes, standard firmware supports three-phase AC asynchronous motors, while non-standard configuration options support permanent magnet synchronous motors depending on application parameters.
6. What control modes are available for speed and torque regulation?
The unit supports Vector V/F Control (VVF) for general applications and Sensorless Vector Control (SVC) for processes requiring precise low-speed torque regulation.
7. How do I interpret the letter "R" in model designations like HGD730-0R4-2B?
The letter "R" represents a decimal point, meaning that "0R4" corresponds to a power rating of 0.4 kW and "0R7" corresponds to 0.75 kW.
8. What is the difference between the 2B and 3B suffix codes in the model nomenclature?
The "2B" suffix designates models compatible with single or three-phase 220 V input supplies, whereas "3B" designates units built for three-phase 380 V industrial power networks.
9. Are protective functions integrated to guard against electrical anomalies?
Yes, the unit features built-in protection mechanisms covering output short circuits, phase loss, overvoltage, undervoltage, and electronic thermal overload.
10. What output forms can the drive deliver to the connected motor?
The system supports both speed output for precise RPM regulation and torque output modes for applications requiring strict tension or force control.
FAQ
1.Who are We?
Beijing Zhongping Technology Co., LTD., is a global industrial electrical automation service provider, is a scientific research, design, marketing, technical services, industrial Internet, international import and export services as one of the science and technology companies.
2.What can you buy from us?
PLC, inverter, human-machine interface, hydraulic products, low-voltage power distribution, industrial robots and core components
3.Is the item in stock or need to be purchased from another supplier?
We have a large inventory of goods and have our own warehouse.
4.What advantages do we have over other suppliers?
Our company has a large amount of inventory and a number of warehouses, but also in the country's important industrial provinces and cities with offices and a number of overseas service points. To provide you with intelligent manufacturing one-stop comprehensive services, save efforts, labor and cost.
5.Can you provide 100% new original authentic products?
We only sell new original genuine, no renovation, no fake, only for the original factory original!
6.How long is the delivery time?
If there is a stock, it will take 2-3 working days to ship, if the quantity is large, it will take 5-7 working days after receiving the payment, if it is not a conventional model, it will take some time, we will inform you of the specific delivery time.
7.Is there technical support available?
Of course, we have a professional technical team that can help you solve technical problems.
8.How do we guarantee quality?
We have three processes to control the quality of goods.
1) Our engineers will inspect the production and quality control in the factory regularly.
2) Incoming materials shall be inspected by experienced purchasing engineers before they can be stored.
3) At least 2 people in the logistics department cross-check the goods to be sent before delivery.
9.Can you guarantee the safe and reliable delivery of your products?
Yes, we strictly adopt the international standard packing. We also use special packaging for dangerous goods, and refrigerated shipping for items with temperature requirements. Special item packaging and general cargo standard packaging requirements may incur additional costs.
10.How about the freight?
The cost depends on how you choose to get the goods. Express is usually the fastest but also the most expensive way. Sea freight is the best solution for large quantities of goods. The exact shipping cost depends on the purchase amount、quantity and weight of your order. Please feel free to contact us for more information.