SHENZHEN COENG TECH CO., LTD.
| Payment Terms | L/C,T/T,Western Union |
| Supply Ability | 20000sets/year |
| Delivery Time | 10-30 working day |
| Packaging Details | Carton, plywood case |
| Input voltage | Input voltage: 380V (-15%) to 480V (+10%) Phase: Three-phase |
| Input power frequency | 50Hz/60Hz ±5% |
| Output voltage | 0V~Input voltage |
| Output frequency | 0～600Hz |
| Master control motor type | Asynchronous motor |
| Master control speed range | 1:10 V/F；1:100 OLVC；1:1000 CLVC |
| Master control mode | V/F, OLVC(Open-loop Vector Control), CLVC(Closed-loop Vector Control) |
| Brand Name | COENG |
| Model Number | HV350 |
| Certification | CE |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,T/T,Western Union | Supply Ability | 20000sets/year |
| Delivery Time | 10-30 working day | Packaging Details | Carton, plywood case |
| Input voltage | Input voltage: 380V (-15%) to 480V (+10%) Phase: Three-phase | Input power frequency | 50Hz/60Hz ±5% |
| Output voltage | 0V~Input voltage | Output frequency | 0～600Hz |
| Master control motor type | Asynchronous motor | Master control speed range | 1:10 V/F；1:100 OLVC；1:1000 CLVC |
| Master control mode | V/F, OLVC(Open-loop Vector Control), CLVC(Closed-loop Vector Control) | Brand Name | COENG |
| Model Number | HV350 | Certification | CE |
| Place of Origin | China | ||
| High Light | high torque vector frequency inverter ，200% starting torque inverter ，vector inverter for demanding loads | ||
| Item | Specification Description and Technical Data | |
| Power input/output | Input voltage | Input voltage: 380V (-15%) to 480V (+10%) Phase: Three-phase |
| Input power frequency | 50Hz/60Hz ±5% | |
| Input voltage imbalance | ≤3% | |
| Output voltage | 0V~Input voltage | |
| Output frequency | 0～600Hz | |
| Master control performance | Motor type | Asynchronous motor |
| Control mode | V/F, OLVC(Open-loop Vector Control) | |
| Speed range | 1:100 V/F; 1:200 OLVC | |
| Starting torque | OLVC: 150%(0.25Hz) | |
| Torque precision | ±5% (OLVC, above 5Hz) | |
| Torque ripple | ≤±5%, in Vector control mode | |
| Speed stability | OLVC, 0.2% | |
| Torque response | ≤5ms, in Vector control mode | |
| Acceleration/deceleration time | 0.0s~3200.0s; 0.0min~3200.0min | |
| Torque boost | 0.0%~30.0% | |
| Overload capacity | G type: 150% 1min/5min; 180%10s/5min; P type: 110% 1min/5min; 150% 10s/5min | |
| V/F curve | Straight-line type, multi-point type, V/F Half separation mode, V/F complete separation mode | |
| Input frequency resolution | Digital setting: 0.01Hz, Analog setting: maximum frequency *0.025% | |
| Main functions | Acceleration/deceleration curve | Straight line and S-curve |
| Simple PLC, Multi-speed control | 16 speed segments supported through control terminals | |
| Automatic voltage regulation (AVR) | Automatically keeps the output voltage constant when grid voltage varies within a certain range | |
| Fixed length control | Control with given length | |
| Built-in PID | Easily forms a closed-loop control system | |
| Multi-motor switching | Switchover between two groups of motor parameters to control the two motors | |
| Virtual I/O | 8 groups of virtual VDI/VDO, 3 groups of AI as DI, enabling simple logic control | |
| Overvoltage/Overcurrent stall control | Automatic current and voltage limitation during operation preventing the inverter from tripping due to frequent overcurrent or overvoltage | |
| Restart after power failure | After power failure and restoration, the inverter waits for a set time before automatically running | |
| Quick current limiting | Avoids frequent overcurrent faults in the inverter | |
| Power input/output | Frequency setting method | Keypad; terminal UP/DOWN; multi-reference; pulse reference; communication |
| Analog input terminals | AI1; AI2: 0V~10V/ 0 (4)mA~20mA | |
| Digital input terminals | DI1-DI5, 5 programmable digital input terminals with opto-isolation, compatible with both sinking/sourcing inputs. DI5 supports high-speed pulse input with a maximum input frequency of 100kHz. | |
| Digital output terminals | Open-collector output; output voltage range: 0V~24V; current load capacity: 50mA. DO1 supports high-speed pulse output with a maximum output frequency of 100kHz. | |
| Analog output terminals | 1-channel 0V ~ 10V/0(4)mA ~ 20mA | |
| Relay output | 1-channel Form C contact, NO+NC | |
| Communication | Communication protocols | Modbus RTU (standard configuration); Profibus-DP; Profinet IO; CANopen; Modbus TCP/IP; Ethercat; EtherNet/IP (optional configuration) |
| Ambient requirements | Altitude | ≤1000m: no need for derating 1000~3000m: current derating by 1% per 100m increased |
| Ambient temperature | -25℃～+40℃ (Running with derating allowed between 40~55) | |
| Humidity | 15% ~ 95%, No condensation | |
| Vibration | 3M3, IEC60721-3-3 | |
| Storage temperature | −40°C~+70°C | |
| Installation place | Indoor, without direct sunlight, free from flammable, corrosive gases, liquids, and conductive particles. | |
| Optional accessories | Communication expansion card, I/O terminal expansion cards | |
| Protections | Protection against short circuit , overcurrent, overload, overvoltage, undervoltage, phase loss, overtemperature, external faults, etc. | |
| Installation method | Installed in a cabinet | |
| Protection rating | IP20 | |
| Cooling method | Air cooling | |
Russia
Designed for extreme temperatures, the inverter maintains performance from -25°C to +55°C. Its robust construction and anti-condensation features suit Russia’s heavy machinery and oil/gas applications.
Spain
Improve renewable energy integration with the inverter’s grid compatibility and frequency stability. The built-in PID and communication options align with Spain’s focus on solar and wind power systems.
Turkey
Address frequent power variations with the inverter’s automatic voltage regulation and restart功能. Its multi-language keypad support facilitates operation in Turkey’s diverse industrial landscape.
Saudi Arabia
Excel in high-temperature desert environments with enhanced cooling and thermal protection. The inverter’s fixed-length control and relay outputs are ideal for Saudi Arabia’s construction and utilities.
South Africa
Ensure operational continuity in areas with unstable grids using the inverter’s wide input voltage tolerance and surge protection. The simple multi-speed setup benefits South Africa’s mining and agriculture.
Indonesia
Resist humid tropical conditions with 95% humidity tolerance and no-condensation design. The inverter’s PID and motor switching functions optimize Indonesia’s palm oil and processing plants.
Company Details
Year Established:
2017
Total Annual:
15000000-16000000
Employee Number:
100~500
Ecer Certification：
Verified Supplier
COENG Tech Co., Ltd. was founded in 2017, specializes in the research, manufacturing, sales, and service of electric drive products, with a primary focus on Variable Frequency Drives (VFDs). As an innovative company, COENG leverages its expertise and advanced technology to develop cutti... COENG Tech Co., Ltd. was founded in 2017, specializes in the research, manufacturing, sales, and service of electric drive products, with a primary focus on Variable Frequency Drives (VFDs). As an innovative company, COENG leverages its expertise and advanced technology to develop cutti...
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