China Em Technology Limited

Voltage: single phase 220V or 3phase 380V ( 15%). Power from 0.75KW to 415KW. Input frequency: 50 Hz or 60 Hz. Output frequency: 0400Hz. Carrier frequency: 1 K-15 KHz. Output frequency resolution can reach 0.01 Hz. Good overload capacity which can reach 150% for 1 min, and 180% for 0.2 sec Automatic compensate output torque when output frequency is low. Automatic regulate output voltage when supply voltage changes in range. Automatic energy-saving function which can automatic calculation the optimal output voltage according to the load to save energy communication protocol and Modbus protocol, and it is easier for user to build up centralized control system High reliability with the motor control IC+IGBT at the core PID controller which is used in close loop control systems Simple PLC which can achieve multi-speed, quasi winding and unwinding function, wobble, etc High startup torque which can reach 150%while 1Hz.

ET1000 SERIES General-purpose frequency inverter 220V( single phase power) 0.4-2.2 kw 220V(three phase power)0.4-75kw 380V(three phase power)0.75-1000kw. V/F control mode brings the same feeling as vector inverter control 1, Low output harmonic prolongs lifetime of motor. 2, Auto-adjust carrier frequency according to module temperature to adapt the environment. 3, Super low carrier frequency technology effectively reduces inverter output current leak. 4, Flexible multi-steps V/F control mode. 5, Perfect auto-improve torque function. Auto- supply super startup torque function. V/F settings (V/F curve can be set as below). Carton Packing with Foam Inside.

Main technical features: 1) power range: 0.75~630kw 2) voltage: 3ac 220/380/440v/575v/690v -15%~15% 3) output frequency: 0.00 ~ 800.00hz 4).Central control module based on dsp, realizes high-speed and high performance control. 5).Integrate v/f control, v/f+pg control, control. 6).3 space voltage vector waveform produce methods. 7).Dead compensate function, realize low frequency and large output torque control. 8).Automatic slip compensate . 9).At most 7 steps speed control and 8 steps acceleration control can be realized. 10).6 programmable output control terminals. 11).Internal pid function, realize high performance closed loop control. 12).Pid regulate dc braking. 13).Speed pursue starting and restart after momentary power loss. 14).Forced communicated function , support standard rs485 , supply remote keyboard control function. 15).Special converse module (igbt) temperature control function, adjustable fan control, timely reduce motor noise and temperature. Paper box , wooden carton 15-50kg

Frequency inverter/ ac drive 380V/220V, Three phase/ Single phase, 50/60HZ input, 0-400HZ output, 0.75-375KW. Advanced vector control algorithm , combine accurate speed calculation and self learning of the motor parameter. It realize the accuracy control of motor speed and torque under no- speed sensor mode. V/F and SVC can be selected .

Input Voltage: 220/380V+/-15%,50/60Hz Output Frequency: Maximum 400Hz Output Power: 0.4KW-350KW Type: Frequency Inverter Output Type: 3 phases Name:frequency inverter,ac inverter,frequency converter,variable speed controller,ac frequency inverter,ac drives,variable speed drive,variable frequency driver,vfd,vsd SU series are simple and practical. SU series frequency inverter with smart pretty plastic or colored steel sheath, which have good perfornmance, the torque is very big when it runs on the low speed. Main features: Adpot SU series technology and software. 1)Power range: 0.4-350KW 2)Input voltage: Single phase 220V/3-phase 220V/3-phase 380V -10%~15%, 50/60Hz 3)Output frequency 0.1-500Hz 4)Adjustable V/F curve 5)Potentiometer on the keypad control 6)16-bit microprocessor controlled PWM output 7)8-step speed control & jog running 8)Parameter lock function 9)6 types analog input signal specification 10)Carrier frequency up to 15KHz 11)Auto voltage compensation and slip compensation 12)Automatic voltage regulation 13)Inbuild PID control 14)Modbus RS-485 communication Typical application: Packing machine; Dumpling machine; Treadmill; Temperature/humidity control fan for agriculture and aquaculture; Mixer for food processing; Grinding machine; Drilling machine; Small size hydraulic lathe; Coating equipment; Small zie millling machine; Wood machine; Edge bending machine, etc. Input Voltage: 220/380V+/-15%,50/60Hz Output Frequency: Maximum 400Hz Output Power: 0.4KW-350KW Type: Frequency Inverter Output Type: 3 phases Name:frequency inverter,ac inverter,frequency converter,variable speed controller,ac frequency inverter,ac drives,variable speed drive,variable frequency driver,vfd,vsd SU series are simple and practical. SU series frequency inverter with smart pretty plastic or colored steel sheath, which have good perfornmance, the torque is very big when it runs on the low speed. Main features: Adpot SU series technology and software. 1)Power range: 0.4-350KW 2)Input voltage: Single phase 220V/3-phase 220V/3-phase 380V -10%~15%, 50/60Hz 3)Output frequency 0.1-500Hz 4)Adjustable V/F curve 5)Potentiometer on the keypad control 6)16-bit microprocessor controlled PWM output 7)8-step speed control & jog running 8)Parameter lock function 9)6 types analog input signal specification 10)Carrier frequency up to 15KHz 11)Auto voltage compensation and slip compensation 12)Automatic voltage regulation 13)Inbuild PID control 14)Modbus RS-485 communication Typical application: Packing machine; Dumpling machine; Treadmill; Temperature/humidity control fan for agriculture and aquaculture; Mixer for food processing; Grinding machine; Drilling machine; Small size hydraulic lathe; Coating equipment; Small zie millling machine; Wood machine; Edge bending machine, etc.

Our production is dupply directly by factory ,our production has high cost performance in frequency inverter.the function is protect machine,energy saving and improve efficiency. power:0.4-71kw voltage:220v-690v you can contact us ,if you have interests.

VFD(Variable-frequency Drive) ; Variable voltage variable frequency inverter ; General-Purpose Inverter; AC adjustable frequency inverters ; application field: Textile and Printing; Energy Saving; Water Supply; Industrial Washing; Plastic Injection; Machine Tool; Press Machine; Air Compressor; Petrochemical; Construction Hoist; Machine Manufacturing

SANDI SDP series Pure Sine Wave Inverter is the one of the most advanced technology DC to AC conversion products in the world, it's suitable use for areas without electricity, providing a complete power solution for strict demand applications. With SVPWM technology it has high conversion efficiency, high instantaneous power and low losses power output pure sine wave, applying to capacitive, inductive and nonlinear mixed-load, with superior load capacity, perfect protection function: overload, short circuit, low/over battery voltage, improper operation etc, which won't cause mechanical failures. This Inverter is very suitable for solar power systems, wind power generation systems, wind and solar hybrid generation systems. The inverter can supply AC power to all kinds of electric equipment, air conditioners, electric motors, refrigerators, fluorescent lights, televisions, electric fans and other industrial power supply. Technical Features: 1, The core components are all imported, adopting the sixth generation IPM module from Mitsubishi, which has stable performance, long service life, strong protection functions and convenient replacement and maintenance. 2, Adopt the central processor DSP28335 chip from American TI Company, respond quickly and accurately, and provide stable and clean power for the load to provide protection. 3, The whole machine adopts modular design and plug-in design, which is convenient for maintenance. 4, Two kinds of start mode: Reduction Voltage Start and Variable Frequency Start. Customers can set start mode according to the type of their load. 5, The output voltage can be set between -40% to +20% of rated voltage. 6, The DC input voltage range can be set. Over-voltage point, under-voltage point, over-voltage recovery point, under-voltage recovery point all can be setting via the LCD panel. 7, Output AC Power is suitable for all types of electrical equipment, CNC machines, electric tools, motors, pump and air conditioner etc. It has higher efficiency and higher capability of driving load. 8, Humanized safety design, using isolation transformer design, input and output are completely electrically isolated, input and output are equipped with circuit breakers, which saving costs for the user and easy to installation. 9, Wide input voltage can be set according to customerâ??s requirement. Input voltage range can be selected from 100-300V, 300-500V or 500-850V, suitable for solar system without backup batteries, it can save many cost and maximization use the solar energy. 10, Using SVPWM space vector algorithms, high conversion efficiency, high instantaneous power and low losses conversion efficiency up to 94%. 11, Powerful data display function. LCD + LED display, can display input and output voltage, current, KWH, fault display, convenient for customers to quickly find faults and guide maintenance. 12, European CE (EMC, LVD, UL1741) and ISO9001 certificates.