Medium Voltage Surge Arresters

Medium-voltage surge arresters are electrical devices designed to protect
electrical equipment from surges or transients that occur on medium-voltage
power systems. These systems typically operate at voltages between 1kV and
36kV, and they are commonly found in various industries, such as
manufacturing, oil and gas, and utilities.

Medium surge arrester medium voltage work by detecting and diverting excess
voltage away from the equipment and toward the ground. They are typically
composed of metal oxide varistors (MOV) or zener diodes, which provide a low
resistance path to the ground during transient events. When a surge or
transient occurs, the surge arrester conducts the excess energy to the
ground, protecting the equipment from damage.

Medium voltage surge arresters are selected based on the specific
application, voltage requirements, and surge current capacity. They are
often installed in parallel with the equipment they are protecting, with a
short path to the ground. Proper installation and maintenance are important
to ensure the effectiveness of the medium voltage surge arrester.

Function of Medium Voltage Surge Arresters
The primary function of medium voltage surge arresters is to limit and
divert overvoltage surges (transients) away from the equipment that they are
installed to protect. They detect and discharge the electrical energy from
the overvoltage surges by providing a low-resistance path to the earth, thus
absorbing and repelling the energy away from the equipment. This protects
the equipment from electrical stress, high-voltage breakdowns, and potential
damage that could disrupt operations or cause significant losses.

The surge arrester acts as an insurance mechanism that ensures equipment is
protected from voltage spikes exceeding their voltage rating, thereby
reducing the risk of equipment failure and associated costs. The proper
sizing and installation of the medium voltage surge arrester are essential
for its efficient and effective operation.

Application of Medium Voltage Surge Arresters
Medium voltage surge arresters are commonly used in a variety of
applications, including power distribution systems, industrial facilities,
and commercial buildings. They are installed to protect equipment such as
transformers, switchgear, motors, and other medium voltage electrical
components from voltage surges or transients caused by lightning, switching
operations, or other sources.

Medium voltage surge arresters are also used for the protection of
telecommunication networks, data centers, and other critical electronic
equipment. They play a significant role in ensuring the safety and
reliability of power systems, protecting equipment from damage, and reducing
the risk of operational downtime. Proper selection, installation, and
maintenance of medium voltage surge arresters are essential to their
effective operation and long-term service life.

Minimum Order: 10000000 pieces

Click to Enlarge