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Thyristor switching module Dynaswitch-L

Ultra-fast switching solution for low voltage capacitors

Dynaswitch-L enables high-speed switching of low voltage capacitors through thyristors. Because of a fast, transient free switching, the reactive power demand can be compensated quickly and accurately. This helps ensure good power quality in networks with highly dynamic loads.

Dynaswitch-L can be operated through an automatic power factor controller, a solid-state relay or a programmable logic controller (PLC). It is also possible to trigger multiple Dynaswitch-L modules to achieve a greater reactive power compensation. Having a robust and safe design, Dynaswitch-L is easy to install, needs minimal maintenance and is compatible with capacitors with or without detuning reactors

Applications

Reactive power compensation for dynamic and fast switching loads, e.g.:

  • Large welding loads / distribution boards
  • Elevators and cranes
  • Wind turbines
  • Machines with high switching frequency, e.g. sawmills, tunnel drills etc.

Why Hitachi Energy?
 

  • Long and diverse experience in the field of power quality
  • Time tested and proven technology
  • High focus on product and process quality
  • Robust products, suited to all types of environments
  • Assured lifecycle support, through extensive global network
Product image for: Thyristor switching module Dynaswitch-L

Brief performance data

Parameters

Value

Operating voltage range

415 V to 440 V

Frequency

50 Hz

Rated output handling capacity

10 kvar

25 kvar

50 kvar

Maximum current

20 A

50 A

100 A

Trigger current

~10 mA (12 VDC) / ~20 mA (24 VDC)

Dimensions

156 mm x (200+50) mm + 236 mm

Weight

5 kg

Ambient temperature range

-10 to 55 °C

Protection

Thermal trip at 80 °C with auto reset on cooling

Cooling

Natural ventilation with heat sinks

Indication

LED

Optional accessories

External annunciation unit to extend potential-free contact

Trigger controlled fan (ON/OFF)

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