CHV160A series Special Inverter for Multi-pumps Water Supply

Features
CHV160A is the enhanced edition of CHV160. It adopts the advanced control theory to adjust speed and switchover of pumps automatically according to the pressure of pipe net, so as to make the pressure to be constant.


Technical
. CHV160A series special for multi-pumps water supply = PLC + pressure sensor + PID regulator + inverter
. Supply fixed variable frequency pump mode (can define 1 fixed variable pump at most + 9 grid frequency pumps) and circular variable frequency pump mode(can define 4 circular variable frequency pumps at most + 2 grid frequency pump).
. Optimized water supply PID regulator can accomplish the switching between two PID parameters.
. Flexible control logic of add and decrease the pumps, flexible dormancy pumps control.
. Timing rotation: to avoid pumps being seized by corrosion.
. Support 8 timeslots timing water-supply and 16 multi-step pressures setting.
. Built-in water-level detection and control function (for inlet pool and sewage pool).
. For convenient debugging and maintenance, built-in manual soft-start debugging and manual round-robin debugging function.
. Monitoring the pressure of pipe net, and alarm at abnormal status. Perfect fault protection: ground fault protection, short phase protection, etc.
. Built-in standard Modbus communication protocol. 

Application

• Constant pressure water-supply for housing estate.
• Centralized water or heat supply.
• Process water and recycling water of industrial and mining enterprise and the industrial boiler water-supply system, etc.
• Water processing, feedwater and pressurize and constant pressure oil transmission, etc.

INVT - Top Frequency Inverter Frequency Converter China Manufacturer   

CHV110 series Energy Saving Cabinet

Energy Saving Cabinet

Features
CHV110 energy saving cabinet is the special inverter for the Injection molding machine. It takes full advantage of vector control technology to avoid the influencing product cycle time problem of V/f control mode; meanwhile it can save more energy. It can be used for air compressor, central air-conditioning system and escalator.


Technical

. Control mode: Sensorless vector control, Vector control, V/F control
. Frequency setting mode: comparison value of the pressure signals and the flow signal.
. IP21
. Built-in DC reactor (18.5kW -55 kW) can improve the power factor and efficiency.
. Built-in breaking units (7.5kW-15kW). If needs to stop rapidly，please connect the brake resistance directly.
. Auto reset function: reset automatically when instantaneous power-down.
. Automatic voltage regulation function
. Speed trace function: smoothly start running motor
. Bypass design: mains supply and power saving supply, can be switched.
. Structured design: small size.
. LED or LCD is optional.
. Offer voltage and current detection card (Current detection card is standard configuration. Voltage detection card can receives the current signals and voltage signals. If need voltage detection card, please specify when ordering).

Application
Injection moulding machine

INVT - Top Frequency Inverter Frequency Converter China Manufacturer   

CHV100 series Close Loop Vector Control Inverter

Close Loop Vector Control Inverter

Features
The new hardware platform: Dual-CPU control solution, ARM(32bit)+DSP(16bit) The current vector control: Advanced field-oriented vector control algorithm accomplishes the full decoupling control to bring out authentic current vector control. The control mode is as following: High performance vector control (VC), sensorless vector control (SVC), torque control (TC). Modularization design: CHV100 supplies open the 2nd develop platform according to different characters of industries. There are some kinds of dedicated expansion card to fulfill assorted requirements.

Technical
. Control mode: Sensorless vector control, Vector control, V/F control
. Start-up Torque: 150% of rated torque at 0.5Hz (SVC); 180% of rated torque at 0Hz(VC). Accuracy of torque control is up to ±5%.
. Vector control combined torque control mode for tension control.
. Control precision : ±0.1%(VC); Speed regulation ratio:1:1000(VC).
. Built-in DC reactor (from 18.5kW to 90 kW) to improve power factor and efficiency.
. Built-in breaking units (from 1.5kW to 15kW). If needs to stop rapidly，please connect the brake resistance directly.
. Some kinds of expansion cards for plentiful professional solutions: Injection molding card, I/O extension card, communication card and PG card.
. Simple PLC or Multi-steps Speed Control: 16 steps speed can be set. PID control, traverse control.
. Offer 10 digital inputs, 4 analog inputs, 3 relay outputs, 2 analog outputs.
. Speed trace function: smoothly start running motor.
. LED or LCD is optional.  

 Application

• Plastic & chemical fiber extrusion machinery
• Metal processing machine
• The main transmission equipment of building materials, such as cement and glass.
• Plastic machine.
• Wire & cable extrusion machinery.

Optional accessory: Serial communication card, Asynchronous PG card , Injection model card, I/O extension card.

INVT - Top Frequency Inverter Frequency Converter China Manufacturer