Basic Info.
Application
General Transducer, Single-phase Transducer, Simple Frequency Inverter
Principle of Work
V/F Control Transducer
Main Circuit Type
Voltage
Voltage of Power Supply
Low Voltage Variable-Frequency Drive
Link of Transformation
AC-DC-AC Variable-Frequency Drive
Nature of DC Power
Voltage Variable-Frequency Drive
Power Frequency
50Hz/60Hz
Type
Bare Frequency Inverter
Transport Package
Standard Export Package
Specification
CE, ISO9001
Product Description
EDS780 single phase Inverter:
1. Small size with extremely high cost performance
2. SVPWM control
3. Wide application
4. RS485
EDS780 frequency inverter is a kind of high performance single-board inverter developed by Shenzhen Encom. It has been applied cosmically to traverse weaving machine in textile industry.
EDS780's performance characteristic:
1. Small size, powerful function, extremely high cost performance.
2. Widely applicable in all types of control situation which needs installation
3. Adopt space voltage vector SVPWM control
4. Adopt independent 16 steps speed control, control is more accurate and convenient
5. Good adaptability to power supply, can be applied to rural power grids with big fluctuation.
6. Panel control, terminal control and other methods controls can be realized
7. Equipped with large capacity capacitors, can store certain slowly-rising energy.
8. Built-in simple PLC function, traverse function, more extensive adaptability.
9. Containing failure memory function, which is more convenient for finding problems.
Specification:
item | Item description |
Input | Rating volt.,frequency | single phase 220V, 50Hz/60Hz |
| Allowed work volt. range | single phase voltage: 200V~260V |
output | Voltage | 220V grade: 0~220V |
| Frequency | 0Hz-400Hz |
| Over loading capacity | 150% of rating current for1 minute,200% of rating current for 0.5 second; |
Control performance | Control mode | Optimum space voltage vector SVPWM constant volt. Frequency ratio V/F control |
| Speed regulation range | 1:100 |
| Start-up torque | 100% of rating torque at low frequency |
| Running speed stable state precision | ≤±0.5% of rating synchronous speed |
| Frequency precision | Digital setting: max. frequency×±0.01%; analog setting: max.frequency×±0.5% |
| Frequency resolution | Analog setting | 0.1% of max. frequency-+96 |
| | Digital setting | 0.01Hz |
| | Exterior pulse | 0.5% of max. frequency |
| Torque boost | Automatic torque boost,manual torque boost 0.1%~20.0% |
| V/F curve (volt. frequency characteristic) | Set rating frequency randomly at range of 5~400Hz,can choose constant torque, degressive torque 1, degressive torque 2, degressive torque 3 in total 4 kinds of curve |
| Accelerating decelerating curve | 2 modes: straight line accelerating decelerating and S curve accelerating decelerating; 7 kinds of accelerating decelerating time (unit minute/second can be optioned), max. time 6000 minutes. |
| brake | Powerconsumption brake | exterior brake resistance |
| | DC brake | Optional start-up and stop,action frequency 0~15Hz,action volt. 0~15%,action time 0~20.0 s |
| Jog | Jog frequency range: 0.50Hz~50.00Hz; jog accelerating decelerating time 0.1~60.0s can be set |
| Multisection speed running | Realized by interior PLC or control terminal |
| Interior PID controller | Be convenient to make closed-loop system |
| Automatic energy save running | Optimize V/F curve automatically based on the load to realize power save running |
| Automatic volt. regulation (AVR) | Can keep constant output volt. When power source voltage varies. |
| Automatic current limiting | Limit running current automatically to avoid frequent over-current which will cause trip |
Running function | Running order specified channel | Key pad specified, control terminal specified, serial port specified |
| Running frequency specified channel | Digital provision, analog provision, impulse provision, serial port provision, combined provision,can be switched at any time by kinds of method |
| pulse output channel | Impulse square wave signal output of 0~20KHz,can realize output of physical parameter such as setting frequency, output frequency etc. |
| Analog output channel | 1 channel of analog signal output,AO channel can be 4~20mA or 0~10V; through it the inverter can realize output of physical parameter such as setting frequency, output frequency etc. |
keypad | LED display | Can display setting frequency, output frequency, output voltage, output current etc. in total 14 kinds of parameter |
| Lock the button | Lock all or part of the buttons(analog potentiometer can't be locked) |
Protection function | Over-current protection, over-voltage protection, lack-voltage protection, over-heat protection, over-load protection, missing phase protection (in option)etc. |
Fitting parts | brake subassembly, remote-control keypad, connecting cable for remote-control keypad etc. |
ambient | Use ambient | indoor,not bare to sunlight,no dust, no corrosive gas, no flammable gas, no oil fog, no vapor, no water drop or salt etc. |
| altitude | Lower than 1000m |
| Ambient temperature | -10ºC~+40ºC(under ambient temperature 40ºC ~50ºC, please reduce the volume or strengthen heat sink) |
| Ambient humidity | Smaller than 95%RH, no condensation water |
| vibration | Smaller than 5.9m/s²(0.6g) |
| Storage temperature | -40ºC~+70ºC |
Config-uration | Defending grade | IP20 |
| Cooling mode | By fan with automatic temperature control |
Mounting mode | Wall hanging |
Address:
5-6f, Bldg 4, Minqi Science&Technology Park, Lishan Road, Taoyuan, Nanshan Area, Shenzhen, Guangdong, China
Business Type:
Manufacturer/Factory
Business Range:
Electrical & Electronics
Company Introduction:
Shenzhen Encom Electric Technologies Co., Ltd., with ISO9001: 2008 and CE & SGS certificate, is located in Southeast China, Guangdong Province. Founded by a group of professional personnel who are dedicated to power electronic technology research, development and industrialization in China and overseas all the year round, our company has a team of high qualified administration clerks, a team of high level technology developing personnel and a team of excellent market extending talent. Our company is mainly engaged in developing, producing and selling various frequency speed regulation products in electric transmission and industrial automation fields.
Our company has developed EDS1000 multi-functional universal inverters, EN500 multifunctional universal vector frequency inverter, EN600 high performance flux vector control frequency inverter, EDS2800 series current vector control engineering inverters, EDS2860 series special injection molding machines and EDS800 series mini universal inverters by ourselves successfully. Our unique proprietary technology has been presented completely by above products and other products we intend to develop, and all these products have their own knowledge property rights. We think that our products can fulfill all kinds of demands from you.
456 workers, 10000 square brand-new manufacture base, 10 years experience, 10 years cooperation relationship with Japanese Company Toyo Denki.
Attended FIEE ELETRICA 2013 in Brazil, Germany Hannover Messe, Automation 2013 in India, Dubai MEE(Middle East Electricity) in 2014, ELEKTRO-2014 in Moscow, Russia, Power Technology Pakistan 2014(POGEE);
One hour reach HK port, Guangzhou Canton Fair, all these are why we keep good quality and competitive prices for global valued customers.