Specification :

Powtran Technology
PI7800 Family Inverter
� Brief Introduction
New PI7800 Family inverter supplies the more comprehensive motor control solution to you. It employs the advanced technology of PWM control and vector control, high performance power module and DSP control. It is with internal current loop to realize high precision of close loop control and reach the stability and precision of current and frequency. Completely new manufacture technique and test equipment ensures the better stability and reliability of the product.

Stable / Compact/ Goodly

� Characteristic:
ü Novel structure design
ü Complete upgrade of the software
ü Optimized production technique
ü Mature test equipment

� 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 2 64 242 390 165 10 15.5
30~ 37 560 300 243 540 200 10 23.5
45~ 75 660 365 293 6 40 250 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

Name plate

� Model designation:
P I 7800 132 G 3

Standard 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/ 60H
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, vector + PG control
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 ± 10 )
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 3parameters 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  ~ 50 
storage temperature -20  ~ 65 
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