Siprotec 7UT82 transformer siemens protection relay
Product Details:
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Siprotec 7UT82 transformer siemens protection relay Price And Quantity
- 1 Piece Piece
Siprotec 7UT82 transformer siemens protection relay Trade Information
- All India
Product Description
The transformer differential protection SIPROTEC 7UT82 is a universal protection, control, and automation device on the basis of the SIPROTEC 5 system. It is specially designed for the protection two winding transformers. It is the main protection for the transformer and contains many other protection and monitoring functions. The additional protection functions can also be used as backup protection for protected downstream objects (e.g. cables, line).
The device supports all SIPROTEC 5 system characteristics. It enables future-oriented system solutions with high investment security and low operating costs.
Main function:1 Differential protection (standard- or auto transformer) with add-on stabilization; Up to 2 differential ground-fault protection
Useful measuring point:
- 2 three-pole current measuring points 2 one-pole current measuring points
Inputs and outputs:1 predefined standard variant with 8 current transformers, 7 binary inputs, 7 binary outputs
Hardware flexibility:The 1/3 base module is available with IO103, it is not possible to add 1/6 expansion modules, available with the large and small display.
Width of housing:1/3 19''
All functions can be configured freely with DIGSI 5. For the application of some of the functions, you require the appropriate number of free function points within the device. The function point calculator in the online configuration provides support in determining the required number of function points for your device.
Further Functions
- Transformer protection for two-winding transformers with versatile additional protection functions
- Transformer differential protection for single-core phase-shift transformers
- Universal usability of the admissible measuring points
- Usable from medium up to extra-high voltage
- Protection of standard power transformers and auto transformers
- Increased sensitivity in the case of ground faults close to neutral through a separate ground-fault differential protection
- Flexible adaptation to the transformer vector group
- Consideration of inrush and over excitation processes
- Safe behavior in the case of current transformer saturation with different degrees of saturation
- Adaptive adjustment of the trip characteristic to the transformer tapping
- Arc protection
- Powerful automation with graphical CFC (Continuous Function Chart)
- Support of single line in small and large displays
- Integrated electrical Ethernet port J for DIGSI and complete IEC 61850 functionality (reporting and GOOSE)
- Two optional pluggable communication modules, usable for different and redundant protocols (IEC 61850, IEC 60870-5-103, IEC 60870-5-104, Modbus TCP, DNP3
- (serial and TCP)
- Serial protection data communication via fiber-optic cable, two-wire connections and communication net-works (IEEE C37.94 et al.) including automatic switch between ring and chain topology
- High available Ethernet redundancy protocols PRP and HSR
- Cyber Security acc. NERC CIP and BDEW White paper
- Time synchronization using IEEE 1588
- Phasor Measurement Unit (PMU) for synchrophasor-meansured values and IEEE C37.118 protocol
- Powerful fault recording
- Additional functions for simple tests and easy commissioning
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