Fully Operational Custom 1/10th Scale EM Railgun

OPERATIONAL EM RAILGUN / 700k AMP SWITCHED CAP PULSED POWER SUPPLIES

Item Description:

This is a fully operational "turn-key" electromagnetic railgun system capable of launching a projectile to well over 3900 feet per second. The system is based on a capacitor-discharge pulse-forming network (PFN). Capacitors are charged to 400V. To fire the gun, the capacitors are discharged into the rails by closing thyristor switches in rapid succession. There are 32 capacitor-thyristor switch modules that can each be individually controlled. The current profile and projectile acceleration is programmable. The system includes an electromechanical loader to inject the projectile (armature) into the barrel at the breech end. It also includes an arc-flash chamber with integrated catch assembly to contain the blast and projectile. A cabinet with power supplies and controls hardware is included. Manuals and safety equipment are also included. From loading to firing - everything is controlled from a remote PC terminal (included).

This system can be used with 1 PFN cabinet (described below), or with 2 PFN cabinets for the full 1 mega amp capacity.

EML Composed of 3 subsystems:

1. PFN (Pulse Forming Network) -

2. Control Cabinet

3. Launcher

MODULAR >500,000 POWER CURRENT CABINET (PFN)

1x cabinet contains

16x Type 1 modules, each module has:

400V rated capacitor bank, 1.6kJ energy storage per module

150A/us rate of rise for current

30kA peak short circuit current

1200V rated thyristor and two diodes in semiconductor clamp assembly

2.2uH pulse power inductor with 500 microOhm ESR, rated for 30kA

Ultra fast gate drive units for each module

Fully independent control

4x Type 2 modules

2kV rated capacitor bank, 5kJ energy storage per module

Up to 22kA/us rate of rise for current

45kA rated peak current under full load

4500V rated pulsed power thyristor and two diodes in semiconductor assembly

High voltage ultra fast fully isolated gate drive units for each module

500A peak gate current with 200ns rise time

Optical signal isolation

Fully independent control

1x Type 3 Modules

400V rated, 18.5kJ total energy storage

Bus Bar Assembly, 6" tall and 2" wide

Four layer laminated bus bar with 0.25" thick al

Instrumentation

5x four channel 400V fully differential voltage divider

1x four channel 2kV fully differential voltage divider

Relay System routes power

Control Cabinet

1x TDK three phase capacitor charging power supply, rated for 2kV at 9kW continuous

Optically isolated fiber optic communication to remote location

Logic power supply distribution to all EML subsystems

5V, 12V, 15V, -15V, 24V

Microprocessor control of PFN

40 channel control

12.5ns timing resolution

Microprocessor control of all other subsystems

40 channel independent relay control

Control of loader, three phase power supply

Multiplexor system for real time data collection of PFN voltages, power supply status, loader status

60 channel capacity

Launcher

1cm x 1cm bore size

1m length

Rated for >200kA continuous peak launch current

Steel containment structure, 8" x 9" cross sectional area

Copper rails connect coaxial cable clamps

Loader assembly

18" insertion length with swappable tips

Up to 200lbs of insertion force

Manual and full auto control

Real time position and force measurement

Launcher stand, 120cm length, 80cm height, 60cm width

Sliding table with shock absorbers to mitigate recoil

Instrumentation

Signal conditioner and digital signal processing for B-Dot probes

Dimensions:

(L x W x H in inches)

PFN Cabinets (2): 40" x 34" x 93" without relays & resistors. Add 24" to height with relays & resistors.

EML Gun Assembly: 47" x 24" x 43"

Loader: 56" x 18" x 42"

Catch: 39" x 23" x 41" minimum. Add 32" for optimal length with added insert (included)

Controls Cabinet: 34" x 24" x 95"

Computer and Control Software (remote via optic fiber)

Two emergency shut-down push-button switches.

Circuit Schematics

Mechanical Drawings

Accessories:

HV Safety equipment (on dolly):

- Shorting + Resistor sticks

- Capacitor safety shorting straps (crocodile clip) & rack

- HV rescue hook

- Electrical Safety Gloves

Requirements:

110V Single Phase for small Power Supplies for controls.

The main power supply (for charging capacitors in modules) can operate from single phase or 208V 3-phase.

MODULAR 700,000 AMP PULSED POWER SUPPLY

Item Description:

This is a modular programmable high-current pulsed power supply capable of delivering a current of up to 700,000 Amperes. The system is a switched capacitor-discharge pulse-forming network (PFN). There are 32 thyristor-switched capacitive modules that can each be individually controlled to deliver 32kA each, and 4 modules capable of delivering 45kA each. The system comes with voltage dividers and a relay network with resistors for safe discharging

Dimensions:

(L x W x H in inches)

PFN Cabinets (2): 40" x 34" x 93" without relays & resistors. Add 24" to height with relays & resistors.

Circuit Schematics

Accessories:

- Capacitor safety shorting straps (crocodile clip)

Many more images available...

Contact Seller

Cleveland Laser Solutions, Inc.

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