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It avoids the typical starting problems like high currents and high wear and tear. These products are available for line voltages ofand V up to A. The soft starters are mounted into the motor feeders. Typical applications are all non speed-controlled drives as conveyors, compressors, coolers and mixers, fans, mills, pumps and centrifuges. The starting devices with starting transformers for medium mimisemi up to 13,8 kV are designed according to the three breaker method of Korndorfer.

The supply covers a complete unit with transformer, vacuum breakers star point and bridging contactors plus protections. Our starters will be supplied independently from the manufacturers of motor and switchgear.

They can be mounted directly next to the motor or in a switch cabinet. The transformers can be supplied optionally with oil cooling or as dry type. If desired, we can dimension economic liquid starters for your plant. We supply digitally controlled CD converters for drives in one- and four quadrant operation, for other supply and filed excitation control with constant output in this range if desired. The field weakening reduces the torque with increased speed. It is applied often in modernizing and revamping jobs in the steel industry.

In case AEG products like Minisemi, Midisemi and Maxisemi cannot be supplied mniisemi more, we can offer suitable substitutes. The following picture shows a switch cubicle of a large rotor converter of V DC and Amps DC in pulse execution.

Inverter for AC motors in low and medium voltage. We design and offer all necessary inverters for new plants and revampings. From the supplying grid only the total of active power is drawn in this case. In plants frequently only some motors are operating motorically, others are feeders. The feeding drives which are braking across the DC bus are supplying energy to the driving motors.


This is an optimal energy concept. It is also in use as starting inverter in power stations. Modernizing and backfitting We avail of special experience in modernizing drives in the following fields: It was an order for four feed water pumps with 2,1 MW aef in a container of 5 by 3 by 3 meters with a complete inverter and insulated direct water cooling for each drive.

There is often considerable economic interest in modernizing old DC drives of medium or large output. It is often the case in in rolling mills, cement plants, mine hoists and cranes. The new, fully digital information technology may also be used for drives of high dynamic requirements.

Aeg minisemi dc drive manual – Google Docs

Existing DC motors will be inspected in case of need and refurbished. Our suppliers can provide for new motors if required. In case of modernization of thyristor equipment sometimes it is useful to retain the old thyristor power modules. We can supply in such cases a new digital control with an interface made to order which suits the given situation of the power module.

The new control can be fitted to usual bus systems Profibus-DP, CAN in order to communicate with the corresponding automation level. The control electronic has a drive structure which may be flexibly combinable with a number of technological control units, automatic control circuits or failure memories.

If new power modules are required, we are prepared to offer them. Drives and thyristorized equipment with highly dynamic properties Especially for test benches of the automobile industry we can offer suitable speed controlled drives. Our offer includes the semiconductor equipment, motors with rotors of low rotating masses and intelligent interfaces for primary automation modules.

We avail of considerable experience with motor and gearbox test benches as well as car test benches and for other related uses. If existing conveyor belts are equipped with speed controls and the slipring motor shall be retained, we can offer an electronic speed control with a subsynchronous thyristorized cascade USK.


Spare Parts Inverters Thyristor Equipment. Rail Technology Ship Equipment. Contact Us Sales Partners.

Electric drive of a direct current AEG Minisemi 380 (415)/40+GO

Starters for synchronous and asynchronous motors Our program covers three different starter systems for electric motors. Inverter for Xeg motors in low and medium voltage We design and offer all necessary inverters for new plants and revampings. Electronic soft starter with thyristors up to 4 MVA motor output. Starting transformers for synchronous an asynchronous motors up to 25 MW.

Diagram for inverter free of line reactions. Current and voltage sine wave free of line reaction at the point of supply.

AEG – AEG MINISEMI D380 (415) 40+GO Inverter

Revamping of inverters for speed controls of pumps and fans for economizing energy and reduction of losses in power stations and other industrial plants. Modernizing of DC drives in steel plants or mines. Containerized unit for an inverter driving a water feeding pump. Simplified minisemii of a containerized unit. Test benches for cars loaded with dynamic inverter.

Gearbox test bench minise,i IGBT drives. Output range 10 to kW. Line frequency 50 or 60 cycles. Speed control range with speedometer 1: High synchronism at low rpm. Refrigeration by air or water. Protection type IP23 und IP Other applications upon request. Instead of slipring motors, squirrel cage motors should be used.

The resistance controller in the rotor circuit may be omitted. A complete reserve drive for revision purposes can be omitted. A lower, more economic belt configuration can be selected. The maintenance cost can be reduced, lesser failure and breakdown times. Roller, belt and gear are subject to lower wear rate. Conveyor in a salt mine with inverter drives of 3xkW for tons per hour.