Product Description; Device Description; Type Designation - janitza SVG Series User Manual

SVG 50/100
4.

Product description

4.1

Device description

The Static Var Generator SVG 50 / SVG 100 is used for dynamic power factor correction of
400-V low voltage distribution board networks. The compensation capability of an individu-
al module is either 50 kvar or 100 kvar.
The Static Var Generator SVG provides dynamic compensation of inductive and capacitive
reactive currents in the phases, and optionally in the N-conductor as well.
In addition, the SVG can also be used for current balancing between the phases. Fast and
stepless compensation is provided using IGBT converters based on a 3-level technology
with no over- or under-compensation.
This technology avoids resonance effects and influence on ripple control signals, which can
occur with conventional compensation systems.
The modular system employed makes SVGs suitable for easy adaptation to modified
network and load conditions. They are characterized by compensation of the neutral
conductor current in the 3-wire system with N-conductor and by automatic mains frequen-
cy detection. The compensation strategy can be modified during ongoing operation. The
configurable standby operation in dependence on the voltage distortion (THD) and/or the
imbalance as well as an automatic restart after a voltage loss all ensure reliable operation
of the SVG.
4.2

Type designation

Type
50 kvar
Rack module
With display X
Without display X
Wall module
With display X
Without display On request
SVG LCD W
Figure 2-1: Type designation example for SVG-LCD W 400 V 50 kvar
12
Capacity
100 kvar
X
X
X
400 V 50 kvar
Capacity: 50 kvar/ 100 kvar
400 V - voltage
R: Rack* ; W: Wall*
LCD
SVG Static Var Generator
* Rack – The device is mounted in a rack
* Wall – The device is mounted on the wall