Page 8: of Maritime Reporter Magazine (September 1990)

MagneTek Defense Systems

Offers Quality Power-Conversion

Products For Today's Navies

MagneTek Defense Systems, a world leading electrical/electronic power supplier to the military and unit of MagneTek, Inc., manufac- tures a wide range of products from transducers and uninterruptible power supplies to one of the indus- try's most sophisticated solid-state power-conversion systems. The lat- ter, the MK 84, powers Aegis, the highly sophisticated weapons sys- tem employed aboard all CG-47

Class guided-missile cruisers.

The MK 84 is often used as an example of truly advanced technolo- gy. Developed back in 1971, the MK 84 reflected the commitment of the company to transistorized power at a time when much of the industry had abandoned the use of solid state for high power requirements due to supposed lack of reliability. Magne-

Tek Anaheim (then ALS Corpora- tion) engineers, however, conceived a way to use transistors at the mid- dle of their power range which ren- dered them highly reliable, as well as very fast in response time, highly efficient, low heat producing and, of course, smaller by far than the older technology. Looking at the Navy's specification for a power system to operate a common bus—which many in the industry said was im- possible to meet—MagneTek engi- neers were able to exceed every requirement with this transistorized power technology. The remarkable overload capacity, response time and other characteristics of that ori- ginal MK 84 are still considered state of the art today. MagneTek i 6 RUGGED, DURABLE

R.I.B. Rigid Inflatable Boat

J 9

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MagneTek Defense Systems' Motogard is an over-temperature protection device used on service "A" electric motors in the

U.S. Navy fleet. has gone on to improve that first model with a new air-cooled fre- quency converter which is the pow- er-conversion system chosen in ear- ly 1990 for the DDG-51 Class Aegis guided-missile destroyer program.

This new ACFC is lighter, more powerful and is being built at a sig- nificant savings to the Navy.

Just as MagneTek Anaheim brings to the company a wide range of expertise in surface vessel power applications, MagneTek EuroAtlas in Bremen, West Germany, has more than 25 years of experience developing static power-conversion equipment for submarines, ships, aircraft and tanks. With systems ranging from 3 w to 300 kw, Magne-

Tek EuroAtlas is a supplier to a wide range of national and interna- tional military programs. One re- cent example is a contract with

Kockums Marine AB of Malmo,

Sweden, to provide power inverters and converters for the next genera- tion of Royal Swedish Navy subma- rines, the A19.

MagneTek describes its military product line as providing the com- plete power cycle—generation, dis- tribution, conversion, load manage- ment, motive power and support services. In addition to the MK 84 and ACFC high-power frequency converters, the company manufac- tures AC variable-frequency drives,

AC/DC converters, DC/AC invert- ers, a split-bus conLoller and cur- rent-limiting device developed for protection of shipboard distribution systems, sonar power supplies, aux- iliary propulsion control systems,

Motogard, motor over-temperature protection devices, pressure and po- sition/velocity transducers and ac- celerometers.

The intensive testing program employed by MagneTek Defense

Systems is exemplified by the com- puter-controlled test cell that emu- lates shipboard input power. Over two mega VA of dynamic load can be produced to assure that products can withstand actual battle condi- tions. To assure component and production quality, stress-testing laboratories subject components to controlled environmental condi- tions such as shock, vibration, hu- midity and extremes of tempera- ture.

Total Systems Support and Inte- gration (TSSI) is controlled through the MagneTek Integrated Logistic

Support organization. ILS provides a turnkey system which integrates products into the customer's appli- cation and supports them through the life cycle.

Four separate business facilities provide the wide range of Magne-

Tek military power products. In ad- dition to MagneTek/Anaheim in

California and MagneTek EuroAt- las in Bremen, there is MagneTek

Transducer Products in Simi Val- ley, Calif., and MagneTek Specialty

Products in New Berlin, Wis. The company employs vertically inte- grated manufacturing methods to assure interchangeability of parts within any alternate assembly. A majority of the parts for MagneTek power systems, from integral mag- netic components to external ma- chined and sheet-metal parts, are manufactured in-house. This ap- proach gives MagneTek Defense

Systems control of quality, delivery, and conformity to military stand- ards. In addition, a short-run, zero- defect production discipline dic- tates hands-on, in-process product quality.

For free literature detailing Mag- neTek Defense Systems' electrical/ electronic power supply products,

Circle 90 on Reader Service Card

Circle 204 on Reader Service Card 10

MagneTek's MK 84 will be used on Aegis Arleigh Burke Class destroyers DDG-51 to -56.

Maritime Reporter/Engineering News