How Siemens 7SR210 Non-Directional Overcurrent Protection Relay works

Introduction of Siemens 7SR210 Relay

The 7SR210 Relays concoct security for earth shortcoming and overcurrent. Essential use of Siemens 7sr210 hand-off is fundamental assurance to feeders, interconnectors and back-up insurance for things on plants like transformers. Siemens overcurrent assurance transfers have 4 current data sources and these overcurrent transfers are housed in E6 or E8 cases. Siemens 7SR210 relays series transfers consist of directional control of the overcurrent and earth issue usefulness. These overcurrent transfer are introduced where issue current can stream in either bearing for example on interconnected frameworks

Siemens 7SR210 Relays overcurrent insurance transfer has five current and four voltage inputs. Coordinated rationale is applied to permit the greatest arrangement of hand-off usefulness with the transfer’s simple information sources and paired information/yield circuits. The discretionary auto-reclose included in these Siemens transfers offers a coordinated answer for use on OHL feeders. The transfer usefulness offers sensational adaptable settings for current and time evaluating which makes it viable with a wide range of overcurrent assurances. Security, instrumentation and metering usefulness is available through information comms channel(s). A front USB port for nearby PC association and back electrical RS485 port for far off association are given as standard, extra ports are accessible as choices.

All Functions Of siemens 7sr210 relays:-

  • Undercurrent 
  • Broken Conductor 
  • Negative Phase Sequence Overcurrent
  • Thermal Overload 
  • Overcurrent 
  • Earth Fault 
  • Directional Control of Overcurrent & Earth Fault 
  • High Impedance REF 
  • Under/Over Voltage 
  • Negative Phase Sequence Voltage 
  • Voltage Controlled Overcurrent 
  • Neutral Voltage Displacement 
  • Under/Over Frequency 
  • Positive Phase Sequence (PPS) Voltage & Current

  • Negative Phase Sequence (NPS) Voltage & Current
  • Zero Phase Sequence (ZPS) Voltage

 

  • CT Supervision 
  • Trip & Close Circuit Supervision
  • VT Supervision 
  • Inrush Detector
  • Circuit Breaker Fail
  • Primary/Secondary Current Phases and Earth Direction
  • Primary/Secondary Line and Phase Voltages
  • Apparent Power and Power Factor
  • Real and Reactive Power
  • W Hr & VAr Hr Forward and Reverse
  • Historical Demand Record

 

Conclusion:-

The far-reaching scope of Siemens Reyrolle items gives the complete assurance necessities of circulation markets and modern applications – going from overcurrent insurance through transformer security and voltage control to a full range of helper and excursion transfers. The portfolio incorporates numerous popular items, for example, ‘Argus”, ”Duobias “,”Solkor “,”Rho “, and so on Through progressive ages, Reyrolle mathematical items have been created to build worth to framework administrators.

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