Contact us:
Shenzhen POWTRAN Technology Co., Ltd.
Email: sales@inverter-china.com
MSN : Sales@inverter-china.com
Skype : inverter-china
Tel: +86-13760362890
Contacts: Richard
Product Name:
250 hp - 840 hp high performance variable speed drive (variable frequency drive)
Model:
PI7800 250 hp - 840 hp high performance variable speed drive (variable frequency drive) Product Details:
Voltage Range: 3 phase 220 VAC, 240 VAC, 380 VAC, 400 VAC, 415 VAC, 420VAC, 440 VAC, 460 VAC, 575 VAC, 620 VAC, 650 VAC, 660 VAC, 690 VAC, 1140 VAC Input frequency: 50 hz / 60 hz Output frequency: G/F/Z/S/T/M: 0.00~800.0Hz,the maximum frequency range is 10.00~800.0Hz; H:0.00~2000.0Hz, the maximum frequency range is 10.00~2000.0Hz. Allowable Fluctuation range: voltage: +-15%, frequency: +-5% Power Range: 187 KW - 630 KW ( 250 hp - 840 hp )
Application area:
Energy efficiency and process control in the field of mechanics, electronics, metallurgy, mining, petrochemical, transportation, building materials, municipal, metal processing, textile, printing and dyeing, paper making, Injection machine, central air conditioning, numerical control machine tool, air-compressor, fan and pump, blower, air conditioner for large buildings; heating, ventilation and air conditioning (HVAC); wastewater treatment system; water supply system for large buildings; public water supply system and other industries and fields.
Features:
PI7800 large power variable speed drives (VSDs, variable frequency drives, VFDs) employs the advanced technology of Pulse Width Modulation (PWM) control and vector control, high performance power module and DSP control.
With internal current loop to realize high precision of closed loop control (with optional PG card), thus reaching the stability and precision of current and frequency. Completely new manufacturing techniques and test equipments ensures the better stability and reliability of this series of VSD (VFD).
Shape:
|
(KW) |
Shape(mm) |
Installation Dimension(mm) |
(kg) |
|
L |
W |
H |
a |
b |
d |
|
7.5~15 |
360 |
235 |
207 |
340 |
150 |
10 |
11 |
|
18.5~22 |
410 |
264 |
242 |
390 |
165 |
10 |
15.5 |
|
30~37 |
560 |
300 |
243 |
540 |
200 |
10 |
23.5 |
|
45~75 |
660 |
365 |
293 |
640 |
250 |
10 |
48 |
|
93~110 |
710 |
455 |
293 |
690 |
350 |
10 |
68 |
|
132`160 |
910 |
480 |
342 |
890 |
350 |
10 |
86 |
|
187~220 |
1540 |
515 |
443 |
465 |
367 |
13 |
190 |
|
250~355 |
1700 |
850 |
492 |
640 |
260 |
13 |
350 |
Specification:
|
items |
specifications |
|
power |
Voltage and
frequency |
Single-phase 200~240V,50/60Hz Three-phase 200~240V,50/60Hz
Three-phase 380~415V,50/60Hz Three-phase 440~460V,50/60Hz
Three-phase 575V,50/60Hz Three-phase 660V,50/60Hz
Three-phase 1140V,50/60Hz |
|
Allowable Fluctuation range |
voltage: +-15% frequency: +-5% |
|
control |
Control system |
high performance vector control inverter based on DSP |
|
Output frequency |
G/F/Z/S/T/M:0.00~800.0Hz,the maximum frequency range is 10.00~800.0Hz
H:0.00~2000.0Hz,the maximum frequency range is 10.00~2000.0Hz. |
|
control method |
V/F control, V/F+ PG control (optional) |
|
waveform produce methods |
asynchronous space vector PWM, step less and subsection synchronous space vector PWM,2 phase optimized vector PWM |
|
Auto torque boost function |
Realize low frequency (1Hz) and large output torque control under the v/f control mode. |
|
Accelerate /decelerate control |
Acceleration/Deceleration S curve subsection set mode. The maximum running time is 26 hours. |
|
Program running control |
7 step speed program running, the maximum running time is 88 hours. |
|
frequency setting accuracy |
Digital references:0.01Hz(300 Hz and below),0.1 Hz(above 300 Hz)
Analog references:0.05Hz/60Hz |
|
frequency accuracy |
Speed control tolerance 0.01%(25 centigrade+-10 centigrade) |
|
V/F curve mode |
Linear,square,8 V/F curve set by user |
|
Over load capability |
G/S:150% for one minute, 200% for 0.1 second
F:120% for one minute, 150% for 0.1 second
Z/M/T:180% for one minute, 250% for 0.1 second
H:250% for one minute, 300% for 0.1 second |
|
slip compensation |
0~10% automatic slip compensation |
|
running |
Input signal |
running method |
Keypad/Terminal/Communication mode |
|
frequency setting |
There are 11 frequency setting modes, including DC 0~10V,
DC 0~20mA, DC 4~20mA, potentiometer on the keyboard. |
|
start signal |
forward, reverse |
|
Multi-segment speed |
can set 7 steps speed at most(using multi-function or program running) |
|
Multi-segment acceleration |
At most 8 steps acceleration can be set (using multi function terminals or program running.) |
|
instant stop |
Interrupt controller's output. |
|
traverse running |
Program control running |
|
jog |
running in low speed |
|
fault reset |
When the protection function is affective, system can reset fault state automatically. |
|
PID feedback signal |
DC 0~10V, DC 1~5V, DC 0~20mA, DC 4~20mA |
|
running |
Output signal |
running state |
motor state display, stop, accelerate/decelerate, seven-speed,
program running state |
|
fault output |
relay fault output: AC 250V 5A, DC 30V 5A |
|
analog output |
2 analog output, 8 signals could be selected: frequency, current, voltage, temperature, etc, the output signal range is 0~10V/0~20Ma. |
|
output signal |
6 output signals, each one with 32 signals for option. |
|
running function |
Limit frequency, skip frequency, torque difference compensate, reverse protection, automatic adjustment, PID control |
|
DC brake |
On base of non-OC, internal PID can regulate braking current to ensure enough braking torque. |
|
Protection function |
inverter protection |
Over voltage, under voltage, over current, over load, overheat, over current stall, over voltage stall, phase loss (options), external fault, communication fault, PID feedback abnormity, PG fault. |
|
IGBT temperature display |
Display of current IGBT temperature |
|
inverter fan control |
Temperature of starting the fan can be set. (options) |
|
restart after momentary
power loss |
less than 15ms:continue running
More than 15ms:automatic inspection of motor's speed, restart after transient power down. |
|
speed starting pursue mode |
inverter pursue motor speed automatically before starting |
|
parameter protection function |
protect inverter's parameter by setting password and decode |
|
display |
LCD
English
Display
+
LED
keyboard |
running
message |
Totally 66 running monitor objects: set frequency, actual frequency, actual current, actual current percentage, DC bus voltage, actual output voltage, actual motor's speed, total running time, IGBT temperature, PID set value, PID feedback value, motor output power percentage, excitation heft set value, excitation heft actual value, torque heft set value, torque heft actual value. Display of 3 parameters simultaneity at most: set frequency + actual frequency+ the monitored running message. Select by F00, F65, F66. |
|
fault
message |
Store 5 fault messages at most, and can inquire about fault style, voltage, current, frequency and the work state at the same time |
|
communication |
RS485 |
Completely isolated RS485 communication module (options),realizes the communication with the host computer. |
|
CAN BUS |
CAN BUS module(options) |
|
environment |
environment temperature |
-10 centigrade~ 40 centigrade |
|
storage temperature |
-20 centigrade ~65 centigrade |
|
environment humidity |
Less than 90 % RH |
|
Height / libration |
less than 1,000 m, less than 5.9m/s2 (= 0.6g) |
|
application place |
where there is no rust gas, no flammability gas, no grease and dust |
|
cooling methods |
Forced air cooling and natural cooling |
|
|
|
|
|
Your better choice for applying our 250 hp - 840 hp (187 kw - 630 kw) high performance variable speed drive (VSD)!
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