Transient Overvoltage Protection (TVSS, SPD)

Renewable Energy

The surge protection relays protect installations and eliminate the effects of power surges. They offer the highest level of security in low voltage lines, continuous processes, domestic and tertiary facilities, etc.

They are suitable for manufacturers and system integrators of industrial equipment,photovoltaic applications, wind turbines,etc.

Devices connected to the mains are increasingly susceptible to electrical disturbances in the grid. Hence it is essential to provide adequate protection to avoid major economic and material losses.

The most visible and destructive power surges are often caused by atmospheric discharges (lightning strikes). However, this is not the most common source of such disturbances, as in most cases, the main sources of surges are within the facility installation itself, amongst others for the following reasons:

  • Performance of circuit breakers and fuses.
  • Connection and disconnection of inductive loads.
  • Switching of motorsand machines.
  • Electrostatic discharge.
  • Capacitor’s power factor correction.
  • Energy tansfers in generator sets.

Power Supply Systems

Standard Applications – Electrical equipments Protection – SPD

The VP range of products protect electrical equipment and installations against transient overvoltage that may arise in the electrical supply. Besides, the VP range can be classified into 3 different types (C, B, B+C) which provide the highest protection level in order to prevent damages in the electrical equipment and financial losses

SURGE ARRESTERS
Critical Applications Protection – SST

Surge arrester for low voltage power supply systems protect against transient overvoltage that may arise in the electrical supply, at the boundaries from lightning protection zone OB-1 and higher.

Photovoltaic Applications

Compact equipment for photovoltaic installations – VP C40

Compact equipment for photovoltaic installations, with high discharge capacity via zinc oxide varistors and gas dischargers and with thermal separation device.

Visual indication of a fault in the equipment, remote signalling of protection status and plug-in protection modules which facilitate maintenance.

Wind Power Applications

Compact equipment for wind power installations – VP C30

Complete offering of solutions for protecting the installations and equipment for wind power generation. It is ideal for applications and installations which require extremely compact equipment