Practical Engineering Guides
Start with these detailed guides covering maintenance, reliability, electrical drives, HVAC, steam and compressed-air troubleshooting. Each guide is written around practical industrial decision-making rather than theory alone.
Maintenance & Reliability
Preventive MaintenanceBuild a risk-based PM program that targets real failure modes.Professional PPM ChecklistBuild measurable tasks and download a blank PPM checklist CSV.MTBF ExplainedFormula, examples and practical reliability use.MTTR ExplainedMeasure and reduce average repair duration.MTBF & MTTR Data Collection WorksheetUse a blank reliability template with field definitions and data-quality checks.5-Why Root Cause AnalysisMove from failure symptoms to evidence-based corrective action.FMEA for Maintenance EngineersIdentify failure modes, effects, causes, controls and prioritized actions before failures recur.Bearing Failure CausesLubrication, contamination, alignment, installation and electrical damage.
Electrical, HVAC & Utilities
VFD FundamentalsDrive operation, common trips and structured troubleshooting.PLC TroubleshootingTrace faults through input, logic, output and field-device evidence.AHU TroubleshootingSeparate load, airflow, chilled water and control problems.Steam Trap FundamentalsTypes, failed-open/closed symptoms and inspection approach.Compressor Oil CarryoverDiagnose compressor, separator, dryer, filter and drain causes.
Engineering Reference
Engineering Calculators & Tools
Engineering Tools HubBrowse practical calculators for electrical engineering, reliability and energy management, with more maintenance tools added over time.Three-Phase Power CalculatorCalculate kW, kVA and kVAr from voltage, current and power factor, with formulas and a worked example.MTBF, MTTR & Availability CalculatorCalculate reliability KPIs from operating time, qualifying failures and repair time, then interpret the result alongside the MTBF and MTTR guides.Energy Cost & Simple Payback CalculatorEstimate annual energy use, operating cost, savings and simple payback using transparent assumptions and formulas.