Taking into account the new products that Fanox presents, internationally approved SIA-B relay points out. This self-powered overcurrent and earth-fault protection relay is designed to protect secondary transformer stations and distribution centers of electrical networks.
Fanox was one of the 1st manufacturers to design a self-powered relay. SIA-B has been designed with a very compact size, to cover all customer requirements and making the installation even easier.
Current and Power Transformers for Low and Medium Voltage.
Current transformers sample the line current and convert it into safety and measurable values for the normalized standards of instruments, metering devices and other metering and control devices.
Nominal values of the current transformers are defined as the ratio between the primary and the secondary current.
They are classified according to the main isolation used: Wound Primary type, Bar Primary type, Toroidal type and for Terminal blocks type.
These current transformers can be used for two different purposes: Measurement or Protection. The correct choice of the CT is essential in order to avoid faults and degradation that would lead into economic losses or even into dangerous situations.
Both Measurement and Protection current transformers have to provide a secondary current that is proportional to the one of the primary.
Fanox has extended its Medium Voltage protection family with the Voltage and Frequency protection relay; SIL-V, among other applications, incorporates interconnections protection and protection against ‘loss of mains’ or islands in the distribution network.
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Fanox increase the range of its catalogue for primary distribution protection relays including Brand new SIL – G model which is able to protect a generator by means of current, voltage and frequency functions. It is normally used in Cogeneration in power stations from gas, steam, hydraulic turbine, or diesel driven generators
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The relays are self powered by the operating current. No batteries, chargers or any other external power sources are required….
Fanox has again been selected to supply its latest generation of motor management relays to control and protect the motors of large important installations.
The domestic Indian market for Protection & control equipment is significant and Fanox has had a year-on year increase in sales in the last 5 years in this increasingly important market.