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Share what you know about substations, protection, IEC 61850 and SCADA with engineers across the US and Canada. Free to publish, peer reviewed, and your name on it.
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Publishing rules
- No critical infrastructure information (CEII). No real station names or locations, IP addresses, settings files or one-lines of real facilities. Use sanitized or invented examples.
- Employer clearance. If your employer requires approval before you publish, get it first.
- Vendor-neutral and original. No product promotion; your own work, with references cited.
- Engineering review. Every article is peer reviewed before it is published and carries its revision and review date.
Topic wishlist
Pick one, or pitch your own.ProtectionOpen
CT saturation check for line differential (IEEE C37.110 method)Knee-point, X/R, remanence and a worked 230 kV example.Pitch this topic ProtectionOpen
Distance zone settings for a 230 kV line: a worked exampleZone reaches, mutual coupling, load encroachment and POTT/DCB pilot schemes.Pitch this topic SCADAOpen
DNP3 point list best practices for utility RTUsClasses, deadbands, event buffers and naming that survives a control-center migration.Pitch this topic GridOpen
Fault current at transmission substations: X/R ratio and DC offsetBreaker duty checks per IEEE C37.010 with a worked example.Pitch this topic IEC 61850Open
GOOSE vs. hardwired tripping: performance testing and acceptanceTransfer time classes, VLAN/priority design and how to witness-test GOOSE.Pitch this topic IEC 61850Open
PRP vs. HSR for substation LANs: latency, cost and maintenanceArchitecture choices for North American stations and what to specify.Pitch this topic ProtectionOpen
Ring-bus protection: breaker failure, reclosing and sync checkTwo-breaker line terminals, 50BF logic, leader/follower reclosing and 25 supervision.Pitch this topic IEC 61850Open
SCL files in practice: SSD, SCD, ICD and CID explainedWhat each file holds, who owns it in a utility project, and common integration errors.Pitch this topic GridOpen
Shunt capacitor bank protection: unbalance (59N/60) settingsUngrounded wye banks, fuse coordination and alarm/trip thresholds.Pitch this topic BasicsOpen
Station service voltage drop: NEC vs. CSA C22.1Sizing AC station service feeders on both sides of the border.Pitch this topic SCADAIn draft
Substation HMI screens operators trustApplying ISA-101 ideas to utility HMIs: layout, alarming and one-line conventions.ProtectionOpen
Transformer differential: inrush, overexcitation and CT compensation87T slope settings, 2nd/5th harmonic restraint and delta–wye compensation.Pitch this topic IEC 61850Open
Writing an IEC 61850 functional description: a bay-by-bay templateStructure, IEC 81346 naming, signal lists and how the FD drives SCL engineering.Pitch this topic Apply to write
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