2 - DESCRIPTION
49'1327 e
GV3000/SE
2-1
DESCRIPTION
Mechanical Arrangement and Options
The variable-voltage, variable-frequency power
inverters of the
GV3000/SE
series are ready for
installation and are available in different sizes
with output currents in the range 2 to 360 Amps.
They are designed to drive induction motors at
variable speeds using PWM technology.
The protective enclosure contains the Power
Module and the Control Unit with the Keypad.
Figure 2-1 shows the block diagram of the
inverter with specified options.
8
7
1
2
3
5
6
RC
47
48
47
45
+
_
L1
L2
L3
U
V
W
4
Figure 2-1: Block Diagram
1 Line Filter
The built-in option RFI- or HF-Filter limits
high frequency emission to permitted
values. See Selection Tables 2-8,
Chapter 5 and Appendix A.
2 Braking Unit
(built-in on types 003-030,
039/044, option on 038/043, 058 - 240),
switches during motor regeneration the
externally mounted (user supplied)
braking resistors to the DC-bus and
prevents by that bus overvoltage.
3 DC-Bus Terminals
(option on type 038/043 and >058) e.g.
for connection of external braking unit.
On types >AC180 additional DC-Bus
bus-bar connections (145,147) are
available.
4 Diode Bridge
(on types 003-170).
or Six Pulse Rectifier Bridge
controlled by the pulse firing card FPS
(on types 180-360).
5 Power semiconductors
IGBT
(insulated gate bi-polar transistors)
or
IPM
(Intelligent Power Modules).
These are switched on and off by the
gate drivers to provide phases U,V,W to
the motor.
6 Gate Driver and Power Supply Card
Interface between the power modules
IGBT and power interface card.
7 Digital Regulator
Contains the terminal strip for the control
inputs (24V), the isolated analog inputs,
the tach input, relay outputs and
1 analog output.
8 Further Options
(See Regul. manual 49‘1329, page 1-2)
- Operator Interface Module (OIM)
for
remote control, programming and display.
- RMI Card (Remote Meter Interface Card)
•
3 isolated analog outputs for displaying,
•
1 isolated analog input,
•
4 programmable digital outputs,
•
4 digital inputs,
•
1 frequency input,
•
3 relay outputs,
•
1 frequency output.
- Communication Cards for
InterBus, Profibus DP,
DeviceNet, ControlNet and AutoMax.
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