Protective Relay Schemes and Settings
This dataset provides comprehensive information on protective relay schemes used in electrical power systems, including relay types, settings, coordination curves, zones of protection, fault clearing times, and backup protection details. It is ideal for reliability analysis, asset management, and optimization of protection coordination in substations and transmission networks.
Sample rows
preview · 8 of 103 rows · all 21 columns| relay_scheme_idstring | relay_typestring | setting_pickup_currentfloat | backup_protection_presentboolean | backup_relay_typestring | relay_manufacturerstring | relay_modelstring | setting_time_delayfloat | coordination_curve_typestring | zone_of_protectionstring | primary_element_protectedstring | fault_clearing_timefloat | backup_clearing_timefloat | date_commissioneddate | last_setting_review_datedate | system_voltage_levelfloat | location_substationstring | location_citystring | location_statestring | location_countrystring | scheme_descriptionstring |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RS-101-A | overcurrent | 158.7 | true | distance | Schneider Electric | SEP-3421 | 0.31 | IEC | feeder | distribution cable | 0.19 | 0.44 | 2017-06-12 | 2023-08-09 | 11 | GridCenter-11 | Liverpool | Merseyside | UK | Overcurrent relay scheme for underground cable protection with IEC curve and backup distance relay. |
| RS-102-B | distance | 1035.2 | true | overcurrent | Siemens | 7SA522 | 0.03 | IEEE | transmission line | transmission line | 0.037 | 0.29 | 2013-09-17 | 2020-11-02 | 220 | TransLine-03 | Berlin | Berlin | Germany | Distance relay scheme for 220kV transmission line, IEEE curve, backup overcurrent. |
| RS-103-C | differential | 8.7 | false | blank | ABB | REF615 | 0.21 | definite time | transformer | transformer | 0.12 | blank | 2012-03-29 | 2019-05-10 | 66 | PowerHub-07 | Ahmedabad | Gujarat | India | Transformer differential protection using ABB relay, definite time, no backup protection. |
| RS-104-D | voltage | 120.5 | false | blank | GE | MLV-312 | 1.3 | definite time | busbar | busbar | 0.15 | blank | 2018-08-24 | 2022-12-01 | 0.4 | Busbar-02 | Cape Town | Western Cape | South Africa | Low voltage busbar protection using GE voltage relay, definite time curve. |
| RS-105-E | frequency | 72.1 | true | overcurrent | Areva | P341 | 0.22 | IEC | generator | wind turbine | 0.09 | 0.34 | 2021-02-15 | 2023-04-17 | 0.4 | WindGen-01 | Aarhus | Central Denmark | Denmark | Wind turbine frequency relay protection, IEC curve, backup overcurrent applied. |
| RS-106-F | directional | 210 | true | overcurrent | SEL | 751A | 0.41 | inverse | feeder | underground cable | 0.23 | 0.49 | 2019-07-12 | 2022-06-16 | 22 | CableFeeder-12 | Las Vegas | Nevada | USA | Directional relay for cable feeder, inverse curve, backup overcurrent present. |
| RS-107-G | overcurrent | 180.2 | false | blank | Siemens | 7SJ85 | 0.27 | IEC | feeder | distribution cable | 0.16 | blank | 2016-10-19 | 2021-03-10 | 6.6 | Feeder-09 | Bangalore | Karnataka | India | Feeder protection with Siemens overcurrent relay, IEC curve, no backup. |
| RS-108-H | distance | 2200.5 | true | differential | SEL | 421 | 0.01 | inverse | transmission line | transmission line | 0.023 | 0.18 | 2010-04-04 | 2018-09-21 | 500 | EHVTrans-03 | Ulaanbaatar | Ulaanbaatar | Mongolia | SEL distance relay for EHV transmission line, inverse curve, backup differential. |
| RS-109-I | differential | 7.2 | false | blank | Mitsubishi | D30 | 0.15 | IEC | transformer | reactor | 0.1 | blank | 2005-05-22 | blank | 110 | Reactor-02 | Cairo | Cairo Governorate | Egypt | Reactor differential protection using Mitsubishi D30, IEC curve, legacy scheme. |
| RS-110-J | voltage | 0.4 | false | blank | Eaton | V1000 | 0.85 | IEC | control panel | control panel | 0.21 | blank | 2015-01-25 | 2020-03-14 | 0.23 | ControlPanel-08 | Sydney | New South Wales | Australia | Control panel voltage protection using Eaton relay, IEC curve. |
| RS-111-K | frequency | 22.5 | true | overcurrent | GE | PF-200 | 0.06 | other | generator | generator | 0.14 | 0.22 | 2022-02-18 | 2024-03-01 | 13.8 | GenHub-05 | Houston | Texas | USA | Generator frequency relay protection, backup overcurrent relay for enhanced reliability. |
| RS-112-L | overcurrent | 205.9 | true | directional | L&T | LT-OC23 | 0.36 | inverse | feeder | distribution cable | 0.13 | 0.27 | 2020-07-11 | 2022-10-15 | 6.6 | Feeder-15 | Mumbai | Maharashtra | India | Feeder protection with L&T overcurrent relay and backup directional. |
| RS-113-M | distance | 580.4 | true | differential | Alstom | MiCOM P442 | 0.04 | IEC | transmission line | transmission line | 0.068 | 0.11 | 2011-12-08 | 2017-09-25 | 400 | TransLine-22 | Rio de Janeiro | RJ | Brazil | Alstom distance relay for 400kV transmission, IEC curve with backup differential. |
| RS-114-N | differential | 9.4 | true | overcurrent | ABB | REF630 | 0.49 | definite time | transformer | transformer | 0.14 | 0.27 | 2019-05-21 | 2023-02-14 | 132 | Transform-04 | Toronto | Ontario | Canada | ABB transformer differential with backup overcurrent, definite time curve. |
| RS-115-O | voltage | 2.5 | false | blank | Omron | R88A | 0.65 | IEEE | capacitor bank | capacitor bank | 0.17 | blank | 2016-10-02 | 2022-12-16 | 13.8 | CapBank-01 | Osaka | Osaka | Japan | Voltage relay scheme for capacitor bank, Omron R88A, IEEE curve. |
| RS-116-P | overcurrent | 140.4 | false | blank | Schneider Electric | SEP-3432 | 0.4 | IEC | feeder | underground cable | 0.21 | blank | 2022-04-08 | 2023-10-25 | 15 | Feeder-22 | London | London | UK | Overcurrent relay for underground feeder, Schneider Electric, IEC curve, no backup. |
| RS-117-Q | distance | 3200 | true | overcurrent | Siemens | 7SA611 | 0.02 | IEEE | transmission line | transmission line | 0.028 | 0.32 | 2015-11-06 | 2020-05-18 | 765 | HVLine-10 | Oslo | Oslo | Norway | Siemens distance relay for 765kV transmission, IEEE curve, backup overcurrent. |
| RS-118-R | differential | 8.2 | false | blank | Mitsubishi | D40 | 0.33 | IEC | transformer | transformer | 0.13 | blank | 2008-01-18 | 2012-02-10 | 110 | Transform-09 | Brno | South Moravia | Czech Republic | Mitsubishi differential relay for transformer, IEC curve, legacy installation. |
| RS-119-S | voltage | 5.9 | false | blank | GE | MLV-325 | 1.5 | definite time | busbar | busbar | 0.48 | blank | 2010-03-14 | 2016-08-12 | 11 | Busbar-09 | Melbourne | Victoria | Australia | Busbar voltage relay protection using GE, definite time curve, 11kV system. |
| RS-120-T | other | 190 | true | overcurrent | SEL | 587Z | 1.2 | other | utility interface | metering panel | 0.52 | 1.1 | 2019-12-22 | 2022-11-19 | 33 | Metering-01 | Portland | Oregon | USA | Custom relay scheme for metering interface, SEL 587Z, backup overcurrent. |
What the 103 rows show
from the 103-row sampleDistance (relay type) stands out: mean setting_
- 60%backup_
protection_ present = true - 110.5median setting_
pickup_ current - 5coordination curve types
- 10zone of protections
- 11relay manufacturers
- 13primary element protecteds
Median 110.5, from 0.0 to 3,901.
- string 13
- float 5
- date 2
- boolean 1
Columns
21 columns in four groups| column | type | description | example |
|---|---|---|---|
| Text 13 columns | |||
relay_scheme_id | string | Unique identifier for each protective relay schemeunique | RS-101-A |
relay_type | string | Type of protective relay used (e.g., overcurrent, distance, differential)7 values | overcurrent |
relay_manufacturer | string | Manufacturer of the relay device11 manufacturers · optional | Schneider Electric |
relay_model | string | Model number or name of the relay deviceoptional | SEP-3421 |
coordination_curve_type | string | Type of coordination curve used (e.g., IEC, IEEE, inverse, definite time)IEC · IEEE · inverse · definite time · other · optional | IEC |
zone_of_protection | string | Zone or area of the power system protected by this relay scheme (e.g., busbar, feeder, transformer)10 protections | feeder |
primary_element_protected | string | The primary system element protected (e.g., transformer, transmission line, generator) | distribution cable |
backup_relay_type | string | Type of backup relay (if applicable)5 types · optional | distance |
scheme_description | string | Detailed description of the relay scheme and its applicationoptional | Overcurrent relay scheme … |
location_substation | string | Name or identifier of the substation where the relay scheme is installedoptional | GridCenter-11 |
location_city | string | City where the relay scheme is installedoptional | Liverpool |
location_state | string | State or province where the relay scheme is installedoptional | Merseyside |
location_country | string | Country where the relay scheme is installedoptional | UK |
| Numbers 5 columns | |||
setting_pickup_current | float | Pickup current setting for the relay (in Amperes)0 or more · optional | 158.7 |
setting_time_delay | float | Time delay setting for the relay (in seconds)0 or more · optional | 0.31 |
fault_clearing_time | float | Time taken to clear a fault (in seconds)0 or more · optional | 0.19 |
backup_clearing_time | float | Backup relay fault clearing time (in seconds, if applicable)0 or more · optional | 0.44 |
system_voltage_level | float | Nominal voltage level of the protected system (in kV)0 or more · optional | 11 |
| Dates and times 2 columns | |||
date_commissioned | date | Date when the relay scheme was commissionedoptional | 2017-06-12 |
last_setting_review_date | date | Date of the most recent review or update of relay settingsoptional | 2023-08-09 |
| True or false 1 column | |||
backup_protection_present | boolean | Indicates if backup protection is present for this relay scheme | true |
Use it for
An energy dashboard
The backup_
protection_ present rate, setting_ pickup_ current by relay_ type and a breakdown of backup_ relay_ type. Excel, Power BI or Tableau. Why do the 20 distance rows have a mean setting_
pickup_ current of 1,754? A root-cause class exercise
Hand out the rows and one question. The answer is in the data, not in the brief.
- Relay schemes103RS-101-A158.7overcurr…RS-102-B1035.2distanceRS-103-C8.7differen…
A software demo
Believable relay schemes with relay_
type, relay_ manufacturer and relay_ model to fill a screen in front of a buyer.
This dataset103 rows21 columns
Yours1,000 rows21 columnslocation_substation: UK only
blueprint · protective-relay-schemes-and-settings
Behind this dataset
Same schema. As many rows as you need.
These 103 rows came out of a blueprint — 21 columns with generation rules behind each one. Open it in Data Factory to retune a column, add your own, wire in foreign keys, and run it at the size you actually need.
Rules it was built with
- Relay ID unique per device or function
- Protection function: overcurrent (50/51), distance (21), differential (87), directional (67)
- ANSI device numbers for protection functions
- Relay settings: pickup, time delay, time-current curve
- Zones of protection: Zone 1 (instantaneous), Zone 2, Zone 3
- Coordination time interval (CTI): 0.2-0.4 seconds
- Fault types protected: phase, ground, phase-to-phase
- Directional elements for loop systems
Open the blueprint in Data Factory
1 credit per row. Preview 20 rows free. Buy rows for the full run.
- Exports
- CSV, JSON, JSONL, Parquet, SQL, Excel, TSV, XML
- Licence
- yours to use, including commercially
- API slug
- protective-relay-schemes-and-settings