BOMwiki the bill-of-materials encyclopedia
30,454,201 parts mapped · 193,225 items

Power & Energy parts lists

BOMwiki lists 122 products in power & energy, with 130,394 parts counted across their recorded bills of materials. The highest recorded part count is the large synchronous generator at 42,357 parts across 8 top-level items; the lowest is the overfill prevention valve at 24. Open a product to explore its recorded components and their roles. Counts describe the current BOMs, not a complete inventory of every product variant.

122 products

Active Harmonic Filter A shunt-connected IGBT converter that measures load harmonic currents in real time and injects equal-and-opposite currents, cancelling distortion at the point of common coupling. 81 parts · 9 BOM lines
Air-Insulated Substation Bay
Air-Insulated Substation Bay Outdoor high-voltage bay of busbars, breakers and disconnectors that switches and protects a transmission line where ambient air is the insulating medium. 1,329 parts · 9 BOM lines
Automatic Circuit Recloser
Automatic Circuit Recloser A distribution-class circuit breaker with integral fault detection and automated reclosing logic that isolates faults and restores power after transient events. 64 parts · 7 BOM lines
Automatic Tank Gauge
Automatic Tank Gauge Console-mounted fuel inventory monitor using magnetostrictive probes to measure tank level, detect leaks, and manage inventory in real time. 46 parts · 7 BOM lines
Automatic Transfer Switch A self-acting switch that monitors a utility supply and transfers the load to a standby generator on failure, returning it once the utility is restored. 212 parts · 8 BOM lines
Automatic Voltage Regulator
Automatic Voltage Regulator A servo-controlled voltage stabilizer that drives a motorized variac feeding a buck-boost transformer, holding output voltage within ±1% as the mains swings. 83 parts · 7 BOM lines
Autotransformer
Autotransformer Single-winding transformer that interties transmission voltage levels economically. 7,784 parts · 9 BOM lines
Battery Swap Station
Battery Swap Station Automated facility enabling drivers to exchange depleted EV battery packs for freshly charged units in 3–5 minutes, eliminating long charging waits. 108 parts · 8 BOM lines
Biogas Generator (CHP) A combined-heat-and-power set that burns biogas in a reciprocating engine to spin an alternator, recovering engine and exhaust heat for hot water while exporting electricity through a synchronising panel. 338 parts · 6 BOM lines
Biogas Upgrader
Biogas Upgrader Separation system removing CO₂ and trace contaminants from 50–70% methane biogas to produce pipeline-quality (>95%) biomethane. 29 parts · 7 BOM lines
Bottom Ash Handling System Conveyor and hopper system that removes ash from beneath a boiler. 1,782 parts · 8 BOM lines
Busbar Trunking System
Busbar Trunking System Sandwich busbar power distribution system with straight lengths, bolted joints and tap-off units for low-voltage distribution in buildings. 915 parts · 11 BOM lines
Cable Fault Locator Diagnostic instrument injecting high-voltage pulses into cables and measuring reflections to pinpoint the location of insulation faults or breaks. 26 parts · 6 BOM lines
Carbon Capture Skid Modular absorption/stripping system removing CO₂ from syngas or biogas streams via amine solvent regeneration and compression. 40 parts · 8 BOM lines
Circuit-Level Energy Monitor
Circuit-Level Energy Monitor Retrofit sensor array measuring current draw on individual branch circuits and transmitting power data wirelessly for real-time home energy visualization. 57 parts · 8 BOM lines
CNG Dispenser
CNG Dispenser High-pressure natural gas dispenser metering compressed natural gas to vehicle tanks at 3000+ psi via sequencing solenoid valves and pressure regulators. 44 parts · 8 BOM lines
Coal Pulverizer Mill
Coal Pulverizer Mill Grinding mill that pulverizes coal to powder for a boiler burner. 313 parts · 9 BOM lines
Combined Heat and Power Unit
Combined Heat and Power Unit Engine package that supplies both electricity and useful heat on site. 522 parts · 9 BOM lines
Commercial Battery Storage Cabinet
Commercial Battery Storage Cabinet A containerized lithium-ion energy storage system combining battery modules, power conversion electronics, thermal management, and safety interlocks for grid-scale or building-scale energy storage. 80 parts · 8 BOM lines
Containerized Diesel Genset Skid-mounted diesel engine and alternator in a sound-attenuated container. 655 parts · 9 BOM lines
Cooling Tower Cell
Cooling Tower Cell Induced-draft cell that rejects waste heat from circulating cooling water. 219 parts · 8 BOM lines
DC Fast Charger
DC Fast Charger A 150 kW CCS DC fast charger for EV public charging, with liquid-cooled power modules and a cooled charging cable. 1,097 parts · 10 BOM lines
DEF Dispenser
DEF Dispenser Heated diesel exhaust fluid dispenser dispensing urea solution for SCR emission control on diesel vehicles. 35 parts · 8 BOM lines
Demand Response Controller
Demand Response Controller Network-connected relay controller that receives utility signals and disconnects non-critical loads on command to balance grid demand. 73 parts · 8 BOM lines
Diesel Generator
Diesel Generator A skid-mounted diesel genset: turbocharged engine driving a brushless alternator inside a sound-attenuated canopy. 147 parts · 9 BOM lines
Distribution Ring Main Unit
Distribution Ring Main Unit Compact medium-voltage switch and fuse unit in a distribution network. 443 parts · 8 BOM lines
Distribution Transformer
Distribution Transformer An oil-immersed pole/pad-mount distribution transformer that steps medium-voltage down to utilization voltage. 117 parts · 9 BOM lines
Dry-Type Transformer
Dry-Type Transformer Cast-resin air-cooled transformer for indoor and fire-sensitive distribution. 2,807 parts · 9 BOM lines
Electric Arc Furnace Transformer
Electric Arc Furnace Transformer High-current low-voltage transformer feeding an electric arc furnace. 522 parts · 11 BOM lines
Electrostatic Precipitator
Electrostatic Precipitator Charged-plate collector that removes fly ash from boiler flue gas. 879 parts · 9 BOM lines
EV Load Management Controller Networked device regulating electric vehicle charger power draw in real time, balancing charging speed against available grid or solar capacity. 36 parts · 8 BOM lines
Event Power Distribution Unit A portable, ruggedized electrical distribution box with circuit breakers, outlets, metering, and heavy-duty connectors for temporary power supply at events and construction sites. 394 parts · 8 BOM lines
Fire-Tube Boiler A packaged three-pass fire-tube steam boiler. 74 parts · 9 BOM lines
Flare Stack
Flare Stack Safety combustion system burning waste gases (hydrogen, methane, syngas) from process units to prevent atmospheric venting. 27 parts · 7 BOM lines
Flue Gas Desulfurization Scrubber
Flue Gas Desulfurization Scrubber Wet scrubber that removes sulfur dioxide from power plant flue gas. 531 parts · 9 BOM lines
Flywheel Energy Storage
Flywheel Energy Storage A kinetic energy store that spins a heavy rotor in a vacuum on magnetic bearings: an integral motor-generator charges the flywheel from grid power and recovers it on demand through a bidirectional converter. 285 parts · 7 BOM lines
Folding Solar Panel Kit Portable multi-section photovoltaic array with hinged frame that folds into briefcase form, providing 100–400 W in sunlight. 53 parts · 7 BOM lines
Fuel Dispenser
Fuel Dispenser Retail fuel pump at filling stations that meters and delivers gasoline, diesel, or E85 fuel to vehicle tanks through precision control valves and display systems. 71 parts · 8 BOM lines
Fuel Management System
Fuel Management System Back-office software and on-site controller managing fuel inventory, dispenser authorization, leak detection, and transaction reporting. 27 parts · 7 BOM lines
Fuel Polishing System
Fuel Polishing System Modular filtration and water-removal system for diesel fuel tanks, maintaining ISO 4406 cleanliness and reducing maintenance of diesel generators. 24 parts · 6 BOM lines
Gas Engine Genset Reciprocating gas engine driving an alternator for distributed power. 675 parts · 10 BOM lines
Gas Turbine Heavy-duty industrial gas turbine generator set: air inlet, axial compressor, combustion system, turbine section, generator, gearbox, auxiliary skids and controls. 2,089 parts · 13 BOM lines
Gas-Insulated Switchgear
Gas-Insulated Switchgear Compact SF6-insulated high-voltage switchgear for substations. 281 parts · 9 BOM lines
Generator Excitation System
Generator Excitation System Controller that feeds DC field current to regulate generator voltage. 937 parts · 9 BOM lines
Generator Paralleling Switchgear
Generator Paralleling Switchgear Synchronization and protection system allowing multiple generators to share load while maintaining voltage, frequency, and phase-lock via bus breakers and parallel controls. 91 parts · 8 BOM lines
Generator Step-Up Transformer GSU transformer raising generator output to transmission voltage at power plants. 8,676 parts · 9 BOM lines
Geothermal Heat Pump
Geothermal Heat Pump A ground-source heat pump that moves heat between a building and a buried ground loop: a scroll compressor drives a reversible refrigerant circuit, exchanging heat with circulating ground-loop fluid for high-efficiency heating and cooling. 214 parts · 8 BOM lines
Geothermal Steam Separator
Geothermal Steam Separator Cyclone vessel that separates steam from brine at a geothermal field. 77 parts · 9 BOM lines
Geothermal Wellhead
Geothermal Wellhead Surface assembly that controls steam and brine from a geothermal well. 274 parts · 9 BOM lines
Grounding Transformer Zig-zag transformer establishing a neutral and an earth-fault current path on ungrounded systems. 235 parts · 9 BOM lines
Heat Recovery Steam Generator
Heat Recovery Steam Generator Boiler that raises steam from gas turbine exhaust in a combined cycle. 2,622 parts · 9 BOM lines
Home Battery Storage
Home Battery Storage A 10 kWh wall-mounted residential LFP battery with an integrated hybrid solar inverter. 292 parts · 11 BOM lines
Home Energy Monitor
Home Energy Monitor Real-time electricity consumption display and cloud analytics system using clamp-on current sensors and WiFi gateway, tracking whole-home and per-circuit power usage. 38 parts · 7 BOM lines
HV Circuit Breaker SF6 or vacuum breaker that interrupts high-voltage fault current within a few cycles on a protection relay command. 243 parts · 6 BOM lines
HV Disconnect Switch Manually-operated isolation switch for high-voltage circuits rated up to 1200 kV that mechanically separates phase conductors for safe maintenance. 36 parts · 7 BOM lines
HV Transmission Tower
HV Transmission Tower Self-supporting steel lattice tower that suspends overhead high-voltage power lines at safe clearance over the terrain. 239 parts · 7 BOM lines
HVDC Converter Station
HVDC Converter Station Station that converts AC to DC and back for long-distance and subsea power transmission, the terminal of an HVDC link. 18,173 parts · 7 BOM lines
HVDC Converter Transformer
HVDC Converter Transformer Transformer feeding HVDC valve bridges with the required phase shift and valve-side insulation. 582 parts · 10 BOM lines
HVDC Thyristor Valve
HVDC Thyristor Valve Stack of series power semiconductors that converts current between AC and DC in an HVDC link, the switching heart of a converter. 6,125 parts · 6 BOM lines
Hydroelectric Generator
Hydroelectric Generator Vertical Francis-turbine hydroelectric generating unit: spiral-cased water turbine, synchronous generator, hydraulic governor, main inlet valve, guide/thrust bearings and the cooling, lube and control auxiliaries. 298 parts · 11 BOM lines
Hydrogen Dispenser
Hydrogen Dispenser High-pressure metering and cooling assembly delivering compressed hydrogen gas at 350–700 bar to fuel cell vehicles with automatic nozzle coupling and safety shutoff. 33 parts · 7 BOM lines
Hydrogen Tube Trailer
Hydrogen Tube Trailer Mobile storage and transport vessel comprising composite or steel high-pressure tubes mounted on a road trailer frame with integrated valve panel and safety systems. 47 parts · 8 BOM lines
Industrial Battery Charger
Industrial Battery Charger A thyristor-controlled station battery charger that float-charges a 110 V DC substation battery while simultaneously carrying the continuous DC load. 71 parts · 8 BOM lines
Industrial Gas Turbine Package
Industrial Gas Turbine Package Packaged turbine-generator that burns gas to produce electricity. 2,053 parts · 11 BOM lines
Industrial UPS System A three-phase double-conversion online UPS that rectifies utility power to a DC bus, re-inverts it to clean AC, and rides through outages on a VRLA battery string. 150 parts · 8 BOM lines
Instrument Transformer
Instrument Transformer Voltage or current transformer providing isolated, scaled secondary outputs for metering, protection, and monitoring of high-voltage power circuits. 31 parts · 6 BOM lines
Isolation Transformer
Isolation Transformer One-to-one transformer providing galvanic isolation for safety and noise rejection. 106 parts · 9 BOM lines
Landfill Gas Blower Skid Blower and condensate skid that extracts gas from landfill wells to a flare or engine. 51 parts · 6 BOM lines
Landfill Gas Flare
Landfill Gas Flare Enclosed or open flare that combusts methane collected from a landfill. 60 parts · 6 BOM lines
Large Power Transformer
Large Power Transformer Oil-filled transformer that steps voltage up or down at a grid substation. 1,844 parts · 7 BOM lines
Large Synchronous Generator
Large Synchronous Generator Rotating machine that produces grid AC power in a power station. 42,357 parts · 8 BOM lines
Leak Monitoring System Monitoring console detecting fuel breaches in double-wall [[underground-storage-tank]] annular space and sump interstitial sensors. 29 parts · 6 BOM lines
LED Fuel Price Sign Outdoor LED digit display showing fuel prices per grade, controlled wirelessly from back-office FMS server. 146 parts · 7 BOM lines
Marina Power Pedestal Weather-sealed electrical distribution post providing 30–50 A shore power at 120/240 V to moored vessels via standardized marine connectors. 31 parts · 8 BOM lines
Microgrid Controller
Microgrid Controller A rack-mounted control system that orchestrates a local grid of generation, storage and loads: controller boards dispatch resources, protection relays and breakers manage faults, and an HMI lets operators run the site in grid-tied or islanded mode. 715 parts · 10 BOM lines
Microinverter
Microinverter AC power electronics mounted directly behind a solar panel, converting panel DC output to 240V single-phase AC with integrated MPPT and grid synchronization. 38 parts · 8 BOM lines
Microturbine Generator A compact gas turbine (25–500 kW) with integrated compressor, combustor, turbine, and high-speed generator producing electrical power and recoverable waste heat. 29 parts · 8 BOM lines
Mobile Substation
Mobile Substation A trailer-mounted electrical substation combining transformer, switchgear, and protection relays to step voltage down and distribute power to temporary or permanent distribution networks. 67 parts · 7 BOM lines
Natural Gas Generator A stationary combustion engine generator that converts natural gas into electrical power through controlled burning and mechanical conversion. 58 parts · 7 BOM lines
Overfill Prevention Valve Float-actuated automatic shutoff preventing [[underground-storage-tank]] overflow during fuel delivery truck fill-ups. 24 parts · 8 BOM lines
Overhead Line Conductor Bundle
Overhead Line Conductor Bundle ACSR conductor and spacer assembly strung between transmission towers, carrying the phase current of an overhead power line. 385 parts · 7 BOM lines
Overhead Line Recloser
Overhead Line Recloser Self-resetting breaker on a distribution pole that clears transient faults. 84 parts · 9 BOM lines
Pad-Mounted Transformer
Pad-Mounted Transformer A ground-level electrical transformer stepping down medium voltage to low voltage for local distribution to homes and businesses, mounted in a sealed steel compartment. 77 parts · 8 BOM lines
Pantograph Bus Charger Overhead rail-based fast charger for electric buses using articulating pantograph arm to interface with vehicle roof contact. 72 parts · 8 BOM lines
Partial Discharge Detector Diagnostic instrument sensing electromagnetic emissions from incipient insulation breakdown (partial discharge) to assess equipment degradation. 27 parts · 6 BOM lines
PEM Electrolyzer Stack Modular electrolyzer assembly that splits water into hydrogen and oxygen using proton exchange membrane electrolysis with multiple MEA cells arranged in series. 101 parts · 8 BOM lines
Phase-Shifting Transformer
Phase-Shifting Transformer Transformer that controls power flow by shifting voltage phase angle. 203 parts · 10 BOM lines
Pole-Mounted Transformer
Pole-Mounted Transformer Oil-filled step-down transformer mounted on utility pole, supplying 25–100 kVA three-phase power to residential and small commercial circuits. 48 parts · 8 BOM lines
Portable Inverter Generator
Portable Inverter Generator A suitcase-style generator that rectifies a small engine-driven alternator to DC and re-inverts it to clean 230 V AC, letting engine speed track load for quiet, fuel-efficient running. 96 parts · 8 BOM lines
Power Factor Capacitor Bank
Power Factor Capacitor Bank A switched bank of power capacitors that supplies reactive power to a plant busbar, correcting the power factor and reducing demand charges and line losses. 78 parts · 7 BOM lines
Power Line Conditioner AC line conditioner isolating sensitive electronics from grid transients, noise, and voltage sags using isolation transformer and active filtering. 40 parts · 7 BOM lines
Power Optimizer Per-panel DC/DC optimizer providing panel-level maximum power point tracking while leaving string architecture intact, enabling retrofit MPPT to existing string arrays. 40 parts · 8 BOM lines
Power Plant DCS Cabinet Distributed control system cabinet that runs and monitors a power plant. 1,441 parts · 8 BOM lines
Power Transformer
Power Transformer Large oil-immersed transformer that steps transmission voltages up or down at grid substations. 7,753 parts · 9 BOM lines
Protection Relay Test Set Precision instrument generating adjustable voltage and current waveforms to verify protection relay operation and settings under fault conditions. 47 parts · 6 BOM lines
Rack PDU
Rack PDU A rack-mounted power strip that distributes mains to server outlets, with per-outlet switching, current metering, surge protection, and network monitoring. 401 parts · 7 BOM lines
Resistive Load Bank
Resistive Load Bank A forced-air resistive load bank that converts electrical power to heat in switched resistor steps, used to test generators, UPS systems, and battery strings under controlled load. 185 parts · 7 BOM lines
Ring Main Unit
Ring Main Unit A compact medium-voltage switchgear set in a sealed gas tank that connects a distribution transformer to a ring cable, switching, earthing, and protecting the feeder. 102 parts · 8 BOM lines
SCR NOx Reduction Unit
SCR NOx Reduction Unit Catalyst reactor that cuts nitrogen oxides from combustion exhaust. 569 parts · 10 BOM lines
Shunt Reactor
Shunt Reactor Oil-immersed reactor that absorbs reactive power to control transmission-line voltage. 398 parts · 9 BOM lines
Smart Electrical Panel
Smart Electrical Panel Retrofit circuit breaker panel with individually metered and controllable branch circuits, providing energy visibility and load switching via networked interface. 133 parts · 8 BOM lines
Smart Electricity Meter
Smart Electricity Meter Electronic utility meter measuring and logging real-time electricity consumption via dedicated metering IC and wireless/PLC module, enabling remote billing and demand response. 40 parts · 9 BOM lines
Solar Inverter A transformerless three-phase string PV inverter: dual-MPPT DC input, boost stage, DC-link, IGBT inverter bridge, AC output filter and grid-tie controls in an IP65 enclosure. 270 parts · 12 BOM lines
Solid Oxide Fuel Cell Module
Solid Oxide Fuel Cell Module High-temperature electrochemical stack converting hydrogen or methane directly to electricity via stabilized zirconia electrolyte with integrated reformer and thermal management. 56 parts · 8 BOM lines
Static VAR Compensator
Static VAR Compensator A power-electronic module that injects or absorbs reactive power within milliseconds to hold transmission voltage steady and damp flicker on a weak grid. 374 parts · 8 BOM lines
Steam Surface Condenser
Steam Surface Condenser Shell-and-tube condenser that turns turbine exhaust steam back to water. 270 parts · 8 BOM lines
Steam Turbine
Steam Turbine Multistage condensing steam turbine generator set: HP and LP casings, bladed rotor, stationary diaphragm stages, bearings, steam admission and governing valves, electrohydraulic control, lube oil system and a synchronous generator. 204 parts · 12 BOM lines
Stirling Engine Generator
Stirling Engine Generator An external-combustion engine using a displacer-power piston mechanism and a closed regenerative gas cycle to convert heat into electrical power. 42 parts · 8 BOM lines
Submersible Turbine Pump Deep-well electric pump drawing fuel from [[underground-storage-tank]] bottom, lifting to grade-level dispensers via column pipe. 47 parts · 7 BOM lines
Substation Capacitor Bank
Substation Capacitor Bank Switched bank of capacitors that supplies reactive power to the grid. 3,464 parts · 8 BOM lines
Supercapacitor Bank
Supercapacitor Bank Energy storage and power conditioning module using stacked ultracapacitor cells with integrated balancing, isolation, and thermal management. 58 parts · 7 BOM lines
Surge Arrester
Surge Arrester Nonlinear protective device that shunts lightning and switching overvoltages to ground, clamping voltage spikes below equipment insulation limits. 67 parts · 5 BOM lines
Switchgear Panel
Switchgear Panel A medium-voltage metal-clad, draw-out switchgear cubicle housing a vacuum circuit breaker, busbars, instrument transformers, and numerical protection. 113 parts · 9 BOM lines
Synchronous Condenser
Synchronous Condenser Rotating synchronous machine that draws leading reactive power from the grid, stabilizing voltage and improving power factor in transmission networks. 64 parts · 8 BOM lines
Syngas Cleanup System Multi-stage scrubbing and filtration removing particulates, tar, hydrogen sulfide, and other contaminants from biomass gasifier syngas. 37 parts · 7 BOM lines
Thermoelectric Generator
Thermoelectric Generator A solid-state device converting heat directly into electricity using the Seebeck effect, with no moving parts. 103 parts · 6 BOM lines
Towable Power Generator Trailer Trailer-mounted generator for events and emergency standby power. 130 parts · 9 BOM lines
Transformer Oil Purifier
Transformer Oil Purifier Vacuum-degassing and filtration unit restoring mineral transformer oil by removing moisture, dissolved gases, and particulates. 33 parts · 7 BOM lines
Underground Storage Tank
Underground Storage Tank Double-wall fiberglass or steel tank installed below grade for fuel storage, with interstitial leak detection, manways, and environmental overfill protection. 57 parts · 8 BOM lines
Vanadium Flow Battery
Vanadium Flow Battery Long-duration energy storage using vanadium redox chemistry in separated electrolyte tanks with power and energy decoupled by pump and stack sizing. 64 parts · 8 BOM lines
Waste-to-Energy Boiler
Waste-to-Energy Boiler A water-cooled furnace with moving-grate combustion chamber that converts waste heat into steam for electricity generation or district heating. 62 parts · 9 BOM lines
Wireless EV Charging Pad Inductive power transfer ground pad coupling 7–15 kW to vehicle-mounted receiver via resonant 85 kHz magnetic field, eliminating plug connectors. 53 parts · 8 BOM lines

Shared component references 12

Components ranked by how many of the 122 recorded product BOMs reference the same page, directly or through a sub-assembly. A shared reference does not establish replacement-part compatibility.

  1. Fastener Set in 88 of 122 productsBolts, nuts, and washers.
  2. Connector in 80 of 122 productsMating plug-and-socket pair that joins two lengths of wiring or a cable to a board so a circuit can be assembled, serviced, and separated without soldering.
  3. Microcontroller in 74 of 122 productsSingle-chip microcontroller combining a processor core, flash memory, RAM, and peripherals such as timers, ADCs, and serial ports to run the device's control firmware.
  4. Bare PCB in 73 of 122 productsUnpopulated printed circuit board: copper traces etched on an FR-4 glass-epoxy laminate that carry current between the components later soldered to it.
  5. SMD Passive (R/C/L) in 67 of 122 productsSurface-mount resistors, capacitors, and inductors, typically in 0402 to 1206 packages, that set voltages, filter noise, and time signals on a circuit board.
  6. Relay in 64 of 122 productsElectromechanical switch in which a small coil current closes or opens contacts rated for a much larger load, isolating control circuits from what they switch.
  7. LCD Panel in 57 of 122 productsLiquid-crystal display module with backlight and driver electronics that shows the machine's readouts, menus, and status to the operator.
  8. Wire Bundle in 57 of 122 productsGroup of insulated conductors cut to length, terminated, and bound together to carry power and signals between the assemblies of a machine.
  9. O-Ring Set in 47 of 122 productsSet of elastomer rings seated in grooves to seal static or slow-moving joints against fluid and gas, sized to ISO 3601.
  10. Pressure Sensor in 47 of 122 productsTransduces fluid or gas pressure into an electrical signal.
  11. Sheet Metal Panel in 45 of 122 productsFlat or folded sheet-metal panel, cut and bent to shape, that forms the enclosure, guards, or skin of a machine.
  12. Ball Bearing in 43 of 122 productsDeep-groove radial ball bearing.