Basic Info.
Application
High-performance Transducer, Three Phase Transducer, General Transducer, High Frequency Converter Transducer
Output Type
Three-Phase Output
Principle of Work
Vector Control Transducer
Switch Mode
High Carrier Frequency PWM Control
Voltage of Power Supply
High Voltage Variable-Frequency Drive
Link of Transformation
AC-DC-AC Variable-Frequency Drive
Nature of DC Power
Voltage Variable-Frequency Drive
Function
Constant Torque Universal Type
Name
Wanlida Medium Voltage VFD
Application Fields
Power Plant,Cement,Metallurgy,Petroleum&Chemical,U
Efficiency
>0.96(Rated Load Condition)
Suitable Loads
Medium Voltage Motors
Power Unit
Import Germany IGBT
Power Saving Rate
up to 40%
Service
Pre-Sales and After-Sales Technical Support
Certification
ISO9001, ISO14001, CE, Ohsms18001, Kema
Specification
ISO9001, ISO14001, CE, OHSMS18001
Origin
Guangdong, China (Mainland)
Product Description
Wanlida medium voltage VFD
Energy Saving Fields
Power Generation: Induced draft fan, forced draft fan, condensate pump, feed pump, primary air fan, secondary air fan, booster fan, circulating pump, mill fan, slurry pump etc
Cement: draft fan, high-temperature fan, air blower, dust collection fan, grinding machine etc.
Metallurgy: blast furnace blower, slurry pump, feed water pump, dust fan, compressor etc.
Petroleum&Chemical: Water injection pump, crude oil pump, Compressor, fan, circulation pump, etc
Urban water supply: Water delivery pump, water intake pump, water supply pump, sewage treatment industry, self-fractionating pump etc
Minerals & Mining: Mud pump, ventilation fan, belt conveyor, slurry pump etc
Others: Loads such as fan, pump and compressor in pharmaceutical, paper making and wind tunnel test
Working Principle
WLD-HVF series medium voltage inverter adopts Power Units in series and overlapping technology to obtain MV directly by means of overlap wave. Low voltage power unit is an actually improved motor variable frequency inverter, which takes full advantage of mature technology. WLD-HVF belongs to High-high voltage source inverter, the customer can connect high voltage (3/6/10KV) directly to WLD-HVF, then WLD-HVF output high voltage (3/6/10KV) correspondingly. WLD-HVF consists of phase-shifting transformer, power unit cabinet and controller, for example:
6KV Series: Consisting of 15 AC power units with 690V. Every 5 power units are connected in series to form one phase (phase voltage 3450V), 3-phase Y-type connection, so the Line voltage can reach to 6KV.
From the above, different voltage output, the quantity of power units is different, but the working theory is exactly identical. All power units receive the indicator from same central process controller. There is a phase difference in secondary windings of transformer which provide energy for power unit, in this way, most of the harmonics current caused by independent power unit will be eliminated, so the primary winding current is approximately sine wave, the harmonics current flowing into power grid are so few, even under the rated load, the harmonics contents is lower of 3%.
The power unit is AC-DC-AC structure, equivalent to a low-voltage power source inverter of 3-phase input single-phase output. The rectifier side is diode three-phase full bridge circuit and the IGBT inverter bridge can be controlled through sine PWM mode to output single-phase AC. All power units are fully identical in structure and electrical performance, very easy for maintenance and replacement.
Structural Diagram of Power Unit
Address:
Room 602, No. 117, Cu Sha Huan Lu, Hengqin, Zhuhai, Guangdong, China
Business Type:
Manufacturer/Factory, Trading Company
Business Range:
Electrical & Electronics, Industrial Equipment & Components, Metallurgy, Mineral & Energy, Security & Protection
Management System Certification:
ISO 9001, ISO 14001, OHSAS/ OHSMS 18001
Company Introduction:
Zhuhai Pacon Electric Co., Ltd. Is a professional one-stop solution supplier for motor drives and power quality correction equipment; We mainly supply Medium voltage and low voltage variable frequency drive, Mine use flameproof and intrinsically safe drives, Medium voltage magnetically controlled reactor typed soft starter, Medium voltage and low voltage Static synchronous compensator (STATCOM), Active harmonic filter etc. With years of exporting experience, we have cooperative partners in Bangladesh, Pakistan, Vietnam, Iran, Turkey, Poland, Russia, Mongolia, etc. Up to now, our products cover about 20 countries and regions from the South-east Asia and Eastern Europe to Middle East and Africa.
Pacon Electric will follow the principle of "customer first", focus on pre-sale and after sales technical support service, continue to spare no efforts to help our customers improve production efficiency, save energy consumption and fulfill its social responsibilities.