9818246818

Zeszyły Problemowe - Maszyny Elektryczne Nr 86/2010

and a drive with DC motor with impulse and resistance riot has been described. An ATO system ensures automatic train piloting such as acceleration and braking. A type of this system, used especially on underground lines implements a direct position breaking. The precision of train braking dcpcnds on the motor con-trol. which is particularly important during electrodynainic braking. The ty pe of used drive affects on precise-ness and ąuality of duty braking process. The concept of an efficient regulation of the duty braking. the con-trol-execution system and a breaking ąuality indicator has been described.

Grzegorz Gawor, Sławomir Szymaniec Politechnika Opolska, Opole

PRZEMYSŁOWE BADANIA DIAGNOSTYCZNE NAPĘDÓW ELEKTRYCZNYCH

INDUSTRIAL DIAGNOSTICS OF ELECTRIC ELECTRICAL DRIVES

Abstract: There are many problems in practical diagnostics of machines operated in industrial conditions. The paper presents the diagnostic methods in this for example the emelope analysis methods and measurement re-sults of operating diagnostics.

Adam Sołbut

Politechnika Białostocka, Białystok

WYBRANE ALGORYTMY DIAGNOSTYKI UKŁADU NAPĘDOWEGO Z FALOWNIKAMI NAPIĘCIA

CHOSEN INVERTER-FED MOTOR DRIVE DIAGNOSTIC ALGORITHMS

Abstract: Present-day motor drives are using voltage inverters for motor speed controlling. Voltage im erters control Sy stems are based on microprocessor technology. Microprocessors. that are used in inverters control Systems can also be used for motor drives State estimation. Propositions of algorithms. that are possible to im-plement in motor drives control Systems are presented in the paper. lt's suggested to use moving RMS and av-erage values of chosen signals available in control algorithms. Moving values calculation algorithm is presented in C++ language codę. so it is possible to impleinent it in an own Solutions. Propositions of algorithms are supportcd by simulations and laboratoiy tests rcsults of a motor drive with Field Orientation Control method.

Krzysztof Kolano Politechnika Lubelska, Lublin

UKŁAD NAPĘDOWY ZASILANY Z BATERII OGNIW FOTOWOLTAICZNYCH WSPÓŁPRACUJĄCY Z SIECIĄ ELEKTROENERGETYCZNĄ