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DTS-1600A

Dielectric Test System

Directed Energy, Inc. An IXYS Company 

The third and final module is the oven and test

fixturing. This is where the actual samples under

test are placed. The oven is a Blue M model

MO1420A (or equivalent), forced air convection

oven, proportionally regulated to a maximum of

180°C. The forced air convection oven provides

adequate air flow to dissipate ozone build up in

the oven created by corona during testing.

The system is housed in a standard 19" equip-

ment rack, 31" deep and 36" high. Included in the

rack are the slave controller and pulse generator,

five high voltage pulser modules and control cir-

cuitry, high voltage DC and support power sup-

plies, a universal input voltage transformer, and a

rack circuit breaker. The benchtop oven sits on

top of the rack, and interconnects with the pulser

and control circuitry with an umbilical cable. The

control computer and monitor are a standard

Pentium-based desktop PC, that connect to the

rack with a 2 meter GPIB cable (included with the

system). This allows the test station to be a com-

plete stand-alone instrument.

For operator safety, the oven door is interlocked.

The system features front panel status indicators,

and an emergency stop button to allow immediate

shutdown of the system, if necessary.

ORDERING INFORMATION

The DTS-1600A is delivered as a fully integrated,

turnkey system complete with control computer

and software, oven, slave controller/high voltage

sections and equipment rack, ready for immedi-

ate use. Test fixtures for twisted pair, motorettes

and dielectric samples are available through DEI.

For further information and for price and delivery,

contact the factory, or the DEI representative in

your area.

References And Related Papers

“Aging Of Magnet Wire In The Presence Of Variable Fre-

quency, High Rise Time And High Voltage Pulses”, V.

Divljakovic, J. Kline, D. Barta, D. Floryan, CEIDP 1994.

“Pulse Width Modulated Aging Twisted pairs, Motorettes. And

Motors”, J. Kline, V. Divljakovic, G. Krausse, EMCW 1996.

“Available Insulation Systems For PWM Inverter-Fed Motors”,

A. Bonnett, IEEE Industry Applications Magazine, January/

February 1998

SPECIFICATIONS

Pulse Specifications

Pulse Amplitude

Pulse Frequency

Variable from 0 to 3,200V peak-to-

peak (±1600V)

Variable from 200Hz to 20Khz

Pulse Width

Variable from 1µs to 4.75ms

Duty Cycle

Pulse Rise and

Fall Times

Load

Variable from 0.002% to 95%

Variable from 50ns to 200ns (1)

Capacitive (twisted pairs or motor-

ettes): Max 5 twisted pair (50pF

each) or 3 motorettes (350pF each)

at 20KHz frequency, ±1600V (2)

Inductive (stator): 3mH at 3.5µs

pulse width, 1600V unipolar,

20KHz

Oven Specifications

Min. Temperature Ambient

Max. Temperature 180° Celsius

Monitor Signal Specifications

Voltage Monitor

1000 Volts/Volt into 50 Ohms

Current Monitor

10 Amps/Volt into 1 Meg-Ohm

Sync

TTL into 50 Ohm

Control Computer Specifications

General Specifica- 733 MHz Pentium, 64MB RAM,

tions

10GB HDD, CD ROM, 3½” FDD,

15” Monitor, Mouse & Keyboard (3)

Power Specifications

AC Input

100/120VAC @ 20A, 50/60Hz

208/220/240VAC @ 10A, 50/60Hz

SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE.

Notes:

(1) Specified into a 50pF load (typical twisted pair) installed in an

oven fixture. Actual rise and fall times will vary somewhat

based upon load capacitance. The rise and fall time are user

selectable in 8 steps.

(2) Maximum load capacitance is limited by the power dissipa-

tion of the system. Higher load capacitances can be driven at

derated voltages and/or frequency.

(3) Minimum specifications. Computer may have better specifi-

cations, depending upon configurations available at time of

order.

DEI supplies solutions for the generation, delivery and measurement of high power, high fidelity electrical

pulses. Applications include lasers, test and measurement, mass spectroscopy, radar and acoustics.

Please call, FAX or email for applications assistance or information on other DEI products.

9200-0203 Rev 2

The Pulse Of The Future

Directed Energy, Inc. • 2401 Research Blvd., Suite 108 • Fort Collins, CO 80526

TEL: 970-493-1901 • FAX: 970-493-1903 • EMAIL: deiinfo@directedenergy.com • Internet: http://www.directedenergy.com

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