Voltage Limiting Device Abb

Ovpd panels of negative voltage regulator device are integrated with over voltage protection.

Voltage limiting device abb.

They do not require a power supply and can be used along the railway line. The i s limiter can be used in various applications providing a very high and fast fault current breaking capability at high operating currents. For the security reason the device earthing position visible from outdoor and lockable for negative maintenance. Abb manufacturer name voltage limiting device hvl voltage limiting device hvl 120 0 3 type designation class 2 2 acc.

Data sheet voltage limiting device hvl 120 0 3 document native title. Hi tech ext series back up current limiting fuses designed for installation in wet well fuse holders for oil filled pad mounted switchgear and transformer applications. Voltage limiting devices estra vguard. Scr static switch for fast operation 1 ms when the voltage exceeds the dangerous level of 300 v or 600 v.

Abb library could not identify a unique document based on the available parameters. Voltage limiting device safety with speed protect people and equipment against rail to ground hazards vld detects and removes hazardous voltage conditions by shorting the running rails to ground in a timely effective and safe manner. En 50526 2 class according to test standard ha xxxxxxxx serial number 04 2017 production date u tn nominal triggering voltage i imp n lightning current impulse i w. Hi tech fx series full range current limiting fuses provides both low and high current fault.

6 seitiges datenblatt cover page. Data sheet doc no. Voltage limiting device based on a mechanical breaker class 4. Voltage limiting devices are used to prevent impermissible touch voltages in dc traction systems in normal operations and in fault conditions by bonding the return circuit of a dc railway system to the earthing system or to the exposed conductive parts.

Hi tech os series back up current limiting fuses designed to enhance protection on overhead distribution systems. Voltage limiting device based on a mechanical breaker and additional solid state electronic switching elements e g. Data sheet voltage limiting device hvl 120 0 3 revision. Voltage limiting devices are available for nominal triggering voltage 60 v and 120 v.

Hitachi abb power grids has more than 100 years of experience in designing and manufacturing surge arresters and protection devices. The hvl hybrid voltage limiter is a voltage limiting device which that is used to prevent impermissible touch voltages in dc.