Protective relaying is one of the most critical and complex areas of power system design. New NERC requirements have added even more complexity to the process, making the utility engineer's daily tasks extremely challenging. The good news is that utility engineers don't have to go it alone. SynchroGrid is here to alleviate our customer's workloads and offer them peace of mind.


Please see SynchroGrid's service categories below:

Protection and Control

  • Relay one lines
  • Three lines
  • Control schematics
  • Wiring diagrams

Relay Set​tings and Coordination Studies

  • Relay coordination studies
  • Fault studies
  • Breaker interrupting analysis
  • Relaying philosophy preparation and standardization
  • SEL, GE, Areva, and ABB microprocessor relays
    • Line protection
    • Transformer protection
    • Bus protection
    • Feeder protection
 

Relay Mis-Operation Analysis

  • Evaluation of relay settings and errors
  • Evaluation of relay performance
  • Evaluation of system protection design performance
  • Relay mis-operation NERC report preparation
  • Lab testing of fault records

Substation Automation

  • SEL RTAC and communication processors
  • Remote terminal units
  • Substation switches and networking
  • Application of 61850 process bus
  • Phasor measurement units
  • Phasor data concentrators
  • HMI configurations

Projects in this category

CTT: 345kV Railhead Reactor Addition

SynchroGrid provided relay settings and GOOSE messaging review along with quality control for Cross Texas Transmission's Railhead reactor additions.

CTT: 345kV Gray-Allen Creek Line Addition

SynchroGrid provided relay settings and GOOSE messaging review along with quality control for Cross Texas Transmission's Gray to Allen Creek line additions.

CTT: 345kV Gray Shunt Reactor Upgrade

SynchroGrid provided relay settings and GOOSE messaging review along with quality control for Cross Texas Transmission's Gray shunt reactor upgrades.

Cross Texas Transmission: Voltage Transformer Fault Analysis

SynchroGrid provided an analysis of the operation of a 345kV bus trip. 

Oncor Electric: Odessa North Substation

SynchroGrid provided relay settings services for the entire 138:12.47kV Substation. 

 

Oncor Electric: West Texas Gulf Substation

SynchroGrid developed relay settings for transformer protection, bus protection, and feeder protection at Oncor Electric’s West Texas Gulf Substation. Relay coordination was also provided for the transformer and distribution feeder.

Oncor Electric: Midessa Substation

SynchroGrid provided relay setting and relay coordination services for Oncor Electric's Midessa Substation. 

Oncor Electric: Glenhaven Substation

SynchroGrid provided relay setting development services for Oncor Electric at their Glenhaven Substation.

Oncor Electric: Cowden North Substation

SynchroGrid developed extensive relay settings for Oncor Electric's Cowden North Substation. In addition, we provided relay coordination for the transformer and distribution feeder. 

Oncor Electric: Alkali Lake Substation Relay Settings

SynchroGrid developed extensive relay settings as well as relay coordination for Oncor Electric's Alkali Lake Substation. 

Oncor Electric: Cheyenne Substation

SynchroGrid developed relay settings for transformer protection, bus protection, feeder protection and bus tie protection at Oncor Electric’s Cheyenne Substation. Relay coordination was also provided for the transformer and distribution feeder.

Oncor Electric: Barstow Northwest Substation

SynchroGrid developed relay settings for transformer protection, bus protection, and feeder protection at Oncor Electric’s Barstow Northwest Substation. Relay coordination was also provided for the transformer and distribution feeder.

NRG: ERCOT RARF Submission

SynchroGrid provided a relay settings review for the ERCOT Region. This was for ERCOT RARF 5.4.

Oncor Electric: Castile Hills Substation

SynchroGrid provided relay setting development and coordination services for Oncor Electric’s Castile Hills Substation.

BTU: Enterprise Substation Relay Setting Development & Review

SynchroGrid provided quality system protection services in developing settings for a number of local terminals including Enterprise, TAMU, and Dowling terminals.

Pattern Energy: Arc Flash Study

SynchroGrid performed an arc flash analysis for Pattern Energy.

CTT: Transmission Line Relay Firmware Upgrade

This project consisted of verifying the adequacy and reliability of new features and settings along with existing settings within the firmware upgrade.

Oncor Electric: Extensive Relay Setting Development

SynchroGrid provided quality relay setting development services by creating new settings for relays at a number of substations including those located at Corinth, Sycamore Creek, Garland, & Stanton.