SCHNIEWINDT GMBH & CO. KG - The Power of Electrifying Ideas

The CSN® HECT, HEVT and HECT/VT by Schniewindt combines proven sensor technology and opticaldigital data transfer according to the standard IEC 6185092, creating a future orientated solution for applications in high voltage AC substations. The required values to be measured are recorded in analog signal form by conventional sensor elements (R/C high voltage divider for voltage measurement and Rogowski coil for current measurement) on HVline potential and transferred to the RemoteDataModule (RDM) mounted in the head construction of the instrument transformer. The RDM converts the recorded data into a digital serial protocol and transmits them via optical fiber to the Merging Unit (MU), located in the control room. The distance between instrument transformer and MU can be up to 1 km. The MU transfers the data protocol of three instrument transformers into the protocol according to IEC 6185092. For signal output

Since the invention of the “Schniewindt grid” in 1902, we produce high voltage resistors and are thus among the pioneers in the electrical industry. Due to continuous development of our products and new developments according to the respective needs of the market, we are now one of the leading manufacturers of electric heating equipment, resistance equipment and sensors for current and voltage measurement

Our fields of expertise are in areas where processes are influenced by temperature changes. We act as a reliable partner always there where electric heating technology, integrated with functional process control, requires high operational safety.

For both onshore and offshore applications we develop technical heating solutions for the thermal treatment of gaseous and liquid media as well as for solids of all kinds.

We develop and manufacture electric heating components for air conditioners in train systems and shipbuilding as well as preheaters and braking resistors for the drive technology. In the field of separator technology, we manufacture heating elements for the temperature control of different liquids. In all areas we apply the highest standards of high voltage and insulation resistance.

The search for solutions in the field of process engineering systems and methods presents us with new challenges every day. Electric heaters for the direct thermal treatment of incoming air in air conditioning systems or as preheater or afterburner for intake air in industrial equipment using intelligent processadapted control systems are gaining an increasing acceptance

In the highly innovative machinery and equipment construction area, our heating elements and equipment find mainly application in the tasks of heating, maintaining temperatures or evaporating liquid or gaseous media. The installation of our equipment can take place both in nonhazardous and hazardous areas of zones 1 and 2.

We carry out applied research in our own test field and laboratory in order to constantly further develop our products, but also so as to be able to present our customers with innovative new developments. Furthermore, we regularly participate in cooperative projects of the Federal PhysicalTechnical Institute (PTB PhysikalischTechnische Bundesanstalt) with the economy. We also maintain close cooperative links with the universities of DuisburgEssen and Karlsruhe. We would also like to support you in research with our products. Please contact us.