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 Shenzhen
Alpha Inverter Co.,Ltd
Invested by venture capitalists and managed by equity
participants, Alpha Inverter Technology Co.,Ltd, with high
technology, has been successful in the areas of Research
& Development, production and sales of inverter. Our
top-ranking technology is from the Electric Engineering
Department of Tsinghua University and the top quality of
products is generated from ten years continuous efforts of
the professional engineers. In addition, quality of our
newly developed and manufactured products has reached the
advanced world standard.
Over the past two years, Our products have met the different
needs of customers and performed excellently. Currently
,ALPHA 2000 inverter series encompass drives for general
purpose control、plastic extruder、constant pressure water
supply 、textile machines 、air compressors and
electromagnetic heating. And in future ,more latest series
will be carried out to satisfy the customers’ need.
To make greater contribution in industrial automation and
energy saving,we
expect your presence and instruction. Let’s cooperate and
develope towards the refulgent future.
Product list
● G series designed for general purpose control
● Z series specially designed for plastic extruder
● T series specially designed for textile machine
● P series designed for constant pressure water supply
Capacity of ALPHA 2000 inverter series from 0.4kw to 315kw
Service & Support
●One month goods exchanging ,maintenance, and return after
delivery
●Three months goods exchanging ,maintenance after delivery
●Fifteen months goods maintenance after delivery
All distributors of our company can provide satisfactory
services.
Characteristics of technology
● Controlling mode adopts SVPWM (Space voltage vector
control)
● Take IGBT (Isolated Gate Bipolar Transistor) as the
inverter section and all series adopt SMT (Surface mounting
technology).
● PID(Proportional-Integral-Differential ) Control Inside,
self- diagnostic function built-in
● Multi-function, Easy operation
Welcome overseas agents or distributors to join us!
Standard Specifications
| Product Series |
General, Plastic extruder, Textile,
Constant pressure water supply |
| Control method |
Space voltage vector controlling
Pulse-Width Modulation (SVPWM) |
| Frequency control range |
0~400HZ; resolution o.1Hz; Base
frequency 50.0~400.0Hz(adjustable) |
| Rated input voltage |
single-phase 220V; 3-phase 220V, 380V,
660V,50/60Hz;Power fluctuation : voltage：±20%;
frequency:±5% |
| Characteristics of
voltage/frequency |
30% -100% of rated voltage
adjustable,21 torque upgrading methods optional |
| Maximum overload current |
150% for one minute; 180% for 0.2sec ;
uninterrupted for 100% |
| Frequency setting input |
Front panel, Potentiometer of
keyboard, 0~5V DC, 0~10V DC, 4~20mA, 0~1A(special
for plastic extruder);interior Proportional,
Integral (PI) |
| Input instruction signal |
Run Forward/Reverse, Jog, multi-step
speed, multi-section acceleration and deceleration
time, Trip-free, Up/Down control, Reset, Switch
between voltage and current signal, external fault,
Terminal screen Resolution for frequency setting |
| Standard functions |
Current limiting, Torque boost，Motor
speed tracking，direct current braking, Trip-free
and restart, multi-step speed, upper and lower Limit
of Frequency, Bias frequency, Frequency gain,
Carrier frequency adjustment, Flexible accelerating
and decelerating mode, Frequency meter output,
Amperemeter output, Multi-section speed, Program
executing, PI controller, simple PLC, proportional
successive control, Remote control |
| Protectivefunction |
Overvoltage, under voltage,
overcurrent, current limit, overheat, electronic
thermal relay, overvoltage stalling , data
protection, External fault, restarting automatically
after a fault |
| External output signal |
Relay fault signal Three-way
programmable open circuit collecting electrode
outputTwo-way analogue output signal: DC 0~5V or
0~1mA
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| Manufacture process control |
Main components adopt products of
SIEMENS and SEMIKRONAdvanced Surface mounting
technology(SMT), best quality of Printed Circuit
Board(PCB);Low temperature and long life-span, high
insulation and proof of voltage |
| Environment |
Installation place |
Indoors, not higher than 1000m above
sea level, without dust, corrosive gas or direct
sunlight. |
| Ambient temperature and humidity |
-10 ~+50℃,20%~90%RH (without dewing) |
| Vibration |
lower than 0.5g when below 20Hz |
| Storage temperature |
-25~+65℃ |
| Installation method |
Wall hooking;Cabinet type(above93kw) |
| Protection class |
IP20 |
Add: 5/F Oastar Building, Zhongkang Road, Shangmeilin,
Shenzhen，P.R.C.
Tel: +(86) 755 83152318 83152218
Fax: +(86) 755 83175185
Email:alpha@szalpha.com
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