EngineerHub category // Power & Grid
Power Generation & Grid
Explore generation, transmission and grid behaviour—from steam cycles and plant heat rejection to frequency stability, energy mix and real blackout events.
4 calculator / tools10 interactive simulators6 study materials8 case studies28 pages total
These tools focus on how electricity is generated, moved and balanced at system scale. The collection includes power-cycle and grid simulators, transmission tools, generation-mix models and interactive case studies of major disturbances. It is intended for engineering education, preliminary analysis and understanding the cause-and-effect relationships that govern power-system operation.
Choose a tool below by purpose. Individual pages include their own assumptions, equations, references and limitations where applicable.
Calculators & tools
4 pages
Condenser Cooling & Circulating Water CalculatorModel condenser cooling in power plants: circulating-water flow, condenser vacuum, heat rejection, cooling-tower performance and turbine backpressure.→Cooling Tower CalculatorFree cooling tower calculator using Merkel theory. Compare wet, natural-draft, mechanical, hybrid and dry cooling performance, water use and operating cost.→Power Plant Water Balance CalculatorClose a full power-plant water balance for nuclear, coal, CCGT or CSP: cooling makeup, withdrawal, consumption, blowdown, demineralized water, reuse and discharge.→Fridge and Freezer Power-Outage PlannerTwo-mode planner: USDA/FSIS outage reference guidance for refrigerators/freezers plus a conservative backup-power sizing estimate from appliance running and starting watts.→
Interactive simulators
10 pages
Advanced BWR Reactor SimulatorAdvanced ABWR-style BWR reactor simulator with point kinetics, internal recirculation pumps, ECCS, turbine/feedwater controls, startup and failure transients.→Advanced PWR Reactor Simulator — AP1000 ReferenceOperate an AP1000-reference PWR simulator with primary loops, RCPs, pressurizer, steam generators, turbine cycle, passive safety and failure transients.→Basic BWR SimulatorLearn how a boiling water reactor works with an interactive BWR simulator. Follow fission, steam, turbine, condenser, water level, safety systems and failures.→Electrical Grid Frequency SimulatorInteractive electrical grid frequency simulator for learning inertia, RoCoF, governor droop, AGC, spinning reserve, load shedding, generator commitment and N-1 security.→Energy Mix ModelBuild an electricity mix and simulate 8,760 hours of solar, wind, nuclear, hydro, bioenergy and battery operation, including cost, emissions and reliability.→Nuclear District Heating ModelModel nuclear district heating using an hourly heat-demand profile. Compare steam extraction, condenser heat recovery and heat-only supply, including pipeline sizing, storage, peak…→Passive Boiling Water SMR SimulatorExplore a BWRX-300-based SMR simulator with natural circulation, isolation condensers, passive safety, startup, load control and abnormal scenarios.→Power Transmission SimulatorCompare HVAC and HVDC lines, calculate current and losses, model transformer efficiency, and explore substation busbar switching in one visual simulator.→Rankine Cycle Simulator & CalculatorCalculate Rankine cycle efficiency, heat rate, steam quality and power in SI or US units with IAPWS-IF97 properties, reheat, regeneration and live T-s/h-s diagrams.→Steam Power Cycle SimulatorInteractive steam power cycle simulator: explore boiler pressure, turbine efficiency, condenser backpressure, steam quality, cooling-water flow and T-s states.→
Study materials
6 pages
Dry Cooling Tower (Air-Cooled Condenser)Learn how dry cooling towers (air-cooled condensers) reject heat without evaporation, including heat transfer, efficiency, advantages and limitations.→Hybrid (Wet/Dry) Cooling TowerLearn how hybrid wet/dry cooling towers reduce visible plume and water consumption by combining dry and evaporative cooling. Free engineering reference from EngineerHub.→Learn Power SystemsInteractive power systems learning guide covering generation, real-time balance, capacity factor, inertia, RoCoF, frequency response, transmission losses, HVAC vs HVDC and real blackout…→Mechanical Forced Draft Cooling TowerLearn how mechanical forced draft cooling towers work, including airflow, heat rejection, fan arrangement, advantages, disadvantages and typical engineering applications.→Mechanical Induced Draft Cooling TowerLearn how mechanical induced draft cooling towers operate, including counterflow cooling, fan placement, heat transfer, performance and engineering applications.→Natural Draft Cooling TowerLearn how natural draft cooling towers work, why hyperbolic shells are used, and where they are applied in nuclear and thermal power plants. Free engineering reference from EngineerHub.→
Case studies
8 pages
Worked Example: BWRX-300 Water UsageEstimate cooling-tower makeup, withdrawal, consumption, evaporation, blowdown and discharge for a 300 MWe BWRX-300 SMR using public GE Vernova Hitachi and NRC data.→Worked Example: Datteln 4 Water UsageWork through the water balance of the 1,052 MWe Datteln 4 hard-coal plant against its published 2,300 m³/h Dortmund-Ems Canal abstraction permit.→2021 Texas Power Crisis and Controlled BlackoutsExplore the 2021 Texas power crisis with an interactive ERCOT map, outage timeline, frequency data, load shedding, generation losses and engineering lessons.→28 April 2025 Iberian BlackoutReplay the 2025 Iberian blackout with an interactive Spain–Portugal map, oscillations, voltage and reactive-power analysis, separation and restoration.→28 September 2003 Italy BlackoutExplore the 2003 Italy blackout with an interactive regional map, Alpine line-trip timeline, frequency collapse, system separation and restoration analysis.→30–31 July 2012 India Grid BlackoutExplore the 30–31 July 2012 India blackouts with an interactive grid replay, frequency response, restoration timeline, causes and engineering lessons.→4 November 2006 European Grid DisturbanceReplay the 2006 European grid disturbance with an interactive map, cascade timeline, frequency separation, load shedding and engineering lessons.→9 August 2019 Great Britain Power OutageReplay the 2019 Great Britain (UK) power outage with an interactive map, generation losses, 48.8 Hz frequency, LFDD operation and restoration.→