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LIGHTNING & SURGE PROTECTION (20)
Northern Technologies supplies a complete solution, which combines high energy lightning protection with fast acting surge suppression. All surge and lightning protection offered by Northern Technologies are manufactured to the highest possible standards and comply with the IEC, VDE, OVE, UL, and ISO 9000. Lightning Protection (Class 1) This is our first line of defense against induced lightning (Transients… -
POWER DISTRIBUTION BOARDS (3)
Northern Technologies SA provides a complete solution for power distribution boards from design, manufacturing to maintenance. Our power specialists in consultation with the customer will ensure the most cost effective and working solution for your business. The distribution boards can be manufactured from suitable types of steel and thickness for the application. Various mounting solutions are also available. Distribution… -
PROTECTION RELAYS (5)
Protection, automation and control relays for the power industry and utilities. To supply your needs for HV protection relays that are reliable, easy to operate and program, at an affordable price. A comprehensive range including, transformer and reactor inrush protection, transformer burn out protection, capacitor as well as distance protection relays. -
TRANSIENT SWITCHING SURGE PROTECTION (15)
The PROTEC Z family is a range of surge suppressors for protection of medium voltage motors, generators and transformers against transient switching surges. PROTEC Z surge suppressors alter circuit parameters in such a way that transient over voltages, due to switching operations are suppressed so as to maintain the voltage at the machine terminals within the IEEE ratings. They… -
- TECHNICAL INFO
DIFFERENCE BETWEEN CLASS 1 LIGHTNING CURRENT AND CLASS 2 SURGE CURRENT
- DIFFERENCE BETWEEN CLASS 1 LIGHTNING CURRENT AND CLASS 2 SURGE CURRENT It is important to understand the difference between class 1 current (lightning) and class 2 current (surge). The following figure 2 illustrates the difference which lies in the time duration of the transient which will determine the power or amount of energy in the transient. Class 1 = 10/350us…
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- Applications, TECHNICAL INFO
Application example Dwelling
- Abbreviation Gen: Generator and Transfer Panel C1: Class 1 protection MER C2: Class 2 protection SAD
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- Applications, TECHNICAL INFO
Application example Factory
- Abbreviations Gen: Generator and transfer panel C1: Class 1 protection MER C2: Class 2 protection SAD
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- Applications, TECHNICAL INFO
Application example Multi-storey building
- Abbreviations Gen: Generator and transfer panel C1: Class 1 protection MER C2: Class 2 protection SAD
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- DC DISCONNECTION BOARD
DC disconnection board
- DC power panels with 1000VDC lightning protection for solar panel combiner and disconnection applications.
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- BUSBAR PROTECTION
DGYD BUSBAR PROTECTION
- Biased differential characteristics. Enhanced CT saturation detection: stable decision from 1.5ms saturation free current. On-the-fly replica of multi-section busbar using switch positions. Check-zone functionality. Dead zone protection. Breaker failure protection. Directional check. Open CT detection Download PDF
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- TRANSFORMER & GENERATOR PROTECTION
DTRV TRANSFORMER & GENERATOR PROTECTION
- Biased differential protection characteristics. Optional impedance protection. Small generator protection including synchrocheck and synchroswitch functions. Restricted earth fault protection. Transformer inrush current minimizing function for expanding lifetime and maintenance reduction. Download PDF
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- DISTANCE PROTECTION
DTVA DISTANCE PROTECTION
- Complete MV bay units including full protection and controlling functions User friendly LCD configuration with a library of a large number of predefined controllable objects Enhanced interlocking schemes Distribution load shedding schemes Protection against islanding operation for wind farm and photovoltaic energy applications Download PDF
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- DISTANCE PROTECTION
E1 – Line DISTANCE PROTECTION
- E1-Line is a dedicated transmission overhead line and cable protection, control and automation IED. The relay provides complex protection, control and monitoring functions. It is member of the DTVA product type in the EuroProt+ product family. The EuroProt+ family complex protection - in respect of hardware and software - is a modular device. Because of the modular architecture, the modules…
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