WE-PSU-16KA-2MW
Supercapacitor Power Supply Unit
High-Current Pulsed Power Supply for Electromagnet Applications
Woodruff Engineering’s High-Current DC Power Supply System delivers 16 kA pulsed current output for driving electromagnet coils to generate magnetic fields in fusion research, particle accelerator, and pulsed magnet applications requiring precisely controlled high-field pulses. Designed to supply 320 kA·turns total magnetomotive force during 18-second pulse operations, the system provides 2 MW total output power at 288 volts maximum to energize coil loads ranging from 3 mΩ (cold) to 3.8 mΩ (hot operating temperature), delivering 60.8 volts per coil at full current and maximum resistance. The robust power delivery architecture handles the demanding I²t thermal specification of 4608 kA²·seconds, managing megajoule-scale energy deposition into the electromagnet windings while maintaining precise current regulation throughout the pulse duration.
Technical Specifications
16 kA
Pulsed Current Output
288 V DC
Max Output Voltage
± 0.1%
Current Regulation
36 MJ
Total Energy Storage
The WE-PSU-16KA-2MW is designed from the ground up for the demanding requirements of fusion energy research and high-energy physics applications. We understand the needs of our growing industry – our system delivers controlled high-current output in stable flat-top pulses. View our comprehensive spec sheet below or send us a message to find out how we can energize your project.
Key Features
Supercapacitor Energy Storage
36 MJ stored in high-energy-density electric double-layer capacitor (EDLC) banks provides 18 seconds of 2 MW pulse delivery without requiring continuous grid connection during pulse. Eliminates need for motor-generator sets or utility-scale grid connections for pulsed operation.
Parallel IGBT Architecture
Five parallel 3.6 kA IGBT circuits with series output diodes provide 16 kA regulated output with 12.5% current margin and N-1 redundancy capability. Modular design allows individual circuit servicing without complete system shutdown.
Thermal Compensation
Active voltage regulation automatically adjusts from 48V (cold load, 3 mΩ) to 288V (hot load, 3.8 mΩ) to maintain constant 16 kA current throughout 18-second pulse as electromagnet coil resistance increases from 20°C to 80°C operating temperature.
Programmable Pulse Shaping
Configurable ramp-up, flat-top, and ramp-down profiles minimize mechanical shock on electromagnet structures during field energization and de-energization. Prevents acoustic noise and structural fatigue from rapid current changes.
I²t Monitoring and Protection
Real-time accumulation of thermal load (I²t = 4608 kA²·s rating) with automatic pulse termination prevents conductor overheating and insulation damage. Ensures safe operation within electromagnet thermal limits across varying duty cycles.
Modular Four-Rack Configuration
Three capacitor banks plus one integrated control/IGBT rack simplifies installation, allows phased deployment, and enables individual rack servicing. Standard 19-inch rack format fits existing facility infrastructure and simplifies transport.
Why Choose THE WE-PSU-16KA-2MW?
PRECISION CURRENT REGULATION • Active thermal compensation continuously adjusts output power, holding current to ±0.1% stability throughout the entire pulse
PROGRAMMABLE PULSE SHAPING • Configurable ramp-up, flat-top, and ramp-down profiles let you tailor every shot to your experimental protocol
EASY DEPLOYMENT AND SERVICING • Our standard four-rack configuration installs into existing 19-inch rack infrastructure, and allows individual modules to be serviced or replaced without taking the full system offline.
COMPREHENSIVE SAFETY • Our system is built to protect both itself and your team, with hardware interlocks, real-time I²t monitoring, and crowbar circuits to prevent aberrant behavior.
Target Applications
ITER-Class Central Solenoid and Major Facilities
ITER central solenoid, DEMO program tokamaks, and fusion pilot plant startup systems.
Tokamak Poloidal Field and Research Facilities
Designed for DIII-D-class poloidal field coils, pulsed superconducting magnet facilities, and fusion plasma control systems.
Research Laboratory Applications
University research magnets, diagnostic systems, and benchtop pulsed field facilities. Compact energy storage (9-144 MJ) enables building-integrated installations without dedicated power substations.