- DHINV Series High-voltage Inverter
● Output nearly perfect harmonic-free sine wave;
● 7-inch touch screen, real-time data recording, and high fault tolerance;
● Seven special functions, with the efficiency up to 96%, and higher reliability;
● Modular design, higher power density, and high integration.
- Overview
- Technical Data
- Related products
Powerful Function
● Integrated phase-shifting transformer in the cabinet, multi-pulse rectification;
● Real-time monitoring of the whole machine, and fault classification protection;
● Seven functions, such as in-built PID, flying start, and torque boost;
● Multiple bypass schemes available.
Modular Design
● Identical power units, which are easy to maintain;
● Low-voltage rectification inverter, which is economical and reliable;
● Multi-level PWM wave modulation technology without harmonics;
● Real-time operating state monitoring of unit module;
● Automatic bypassing of fault unit.
Compact Type
● Superior performance;
● Safety and reliability;
● Small volume and weight;
● High performance-cost ratio.
Input
● Input voltage: 3/6/10kV three-phase 50Hz
● Fluctuation allowed: Voltage: -35%〜+10%, frequency: ±10%
● Control voltage: AC380V three-phase and four-wire (in-built UPS of inverter)
Output
● Output voltage: 0~3/6/10kV
● Output frequency: 0~50Hz, resolution 0.01Hz
● Output current: 0~rated current
Environment
● Service environment: Indoor, no explosive or corrosive gas
● Environment humidity: 0~+40°C, <95% no condensation
● ASL: ≤1000m (upon >1000m, reduce the volume)
Performance
● Power Factor: ≥0.95 (Above 20% load)
● Current harmonics: ≤3% (meet the requirements of IEEE519-2014 and GB/T12668.4-2006)
● Overload capacity: 125% rated current 60s; 150% rated current 3s
● Overall efficiency: ≥96%
● Soft on/off: 5〜999s
Control
● Control mode: V/F control
● Man-machine interaction: 7-Inch touch screen
● Operating mode: HMI, remote control box, DCS communication, etc.
● System protection: Overvoltage, undervoltage, phase loss, overcurrent, overheating, communication, access control, etc.
● Control signal: Optical fiber communication (controller and power unit)
Interface
● I/O interface: 24-way DI, 16-way DO, 4-way AI and 2-way AO (extensible)
● Communication interface: Modbus with Profibus or TCP/IP (optional)
System
● Main functions: Automatic start upon power on, torque boost, flying start, torque limitation, voltage self-adaption, PID regulation, frequency modulation, speeding up and down of broken line, system self-diagnosis, HV bypass, inverter and motor protection, unit fault bypass, etc.
● Protection grade: IP 30
● Equipment noise: ≤80dB