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The main properties of asynchronized compensators, including those with a flywheel on the shaft, are considered. Areas of application of electrical-machine flywheel energy stores are suggested. It is shown that asynchronized compensators with a long-term/short-term power ratio of 100/200 MW and a power exchange time of 15 -30 sec can be used in power systems as a second-mobilization power standby to improve the quality of frequency regulation.Unlike traditional synchronous compensators, asynchronized compensators can operate in 100% output and 100% reactive power consumption modes, hence it can compete successfully with STATKOM-type static reactive power compensators. Asynchronized compensators differ favorably from static devices in that they do not generate higher harmonics in the network, have better mass/size and cost characteristics, and allow of brief double-triple overload.In addition, asynchronized compensators can provide a specified regulation not only of the value but also of the phase of the voltage vector at the point where it is connected in the power transmission line, i.e., using an asynchronized compensator one can exchange not only reactive power but also, briefly, active power with the network. This indicates that, at the point where the asynchronized compensator is connected, "rigid bus" conditions are produced and the limits of static and dynamic stability of adjacent parts of the power system are increased.Asychronized compensators with an unregulated rotation frequency are usually constructed with unequal excitation windings on the rotor (the longitudinal winding is "strong" and the transverse control winding is "weak") [1].There is a need for such asynchronized compensators in the Russian power systems. Firstly, there is a need to replace the operating synchronous compensators in a number of power systems, including the Moscow power system. The "Power Machines" "Élektrosila" Company together with the NTTs "Élektroenergetika" Company have developed a series of such asynchronized compensators with a power of 50, 100, and 160 MV · A with total air cooling. Two 100 MV · A asynchronized compensators have been connected in the Beskudnikovo substation in Moscow.The flywheel asynchronized compensator. If a flywheel is placed on the shaft of an asynchronized compensator and the rotation frequency of the shaft changes, it becomes possible, due to the change in the rotation frequency and in the kinetic energy of the rotating mass, to accumulate or generate considerable energy. A flywheel asynchronized compensator is constructed in the form of an electrical machine with excitation windings placed on the load rotor. The stator of the compensator is connected to the network, i.e., the synchronous rotation frequency of the rotor is limited to 3000 rpm. The power of the converter in the rotor winding circuit depends on the rotation frequency regulation range.Areas of application of electromechanical flywheel energy stores. In the wide sense, we mean by a flywheel store an electrical machine with a flywhee...

Unlike T3FA 110 asynchronized turbogenerators (ASTGs) with symmetric field windings, T3FAU 160 and T3SU 320 turbogenerators are implemented with nonsymmetrical field windings (with control field windings). The control algorithms of these generators were corrected and checked by mathematical models. The real sample of the ARV 2MA field controller intended for T3FAU 160 and T3FSU 320 turbogen erators was tuned and verified at the computer test facility of the Electric Power Research Institute (EPRI). Figure 1 depicts a block diagram of a computer test facility intended for the real time study of the operating modes of a T3FAU 160 turbogenerator incombination with a full scale sample of the automatic ARV 2MA field controller. The computer test facility consists of the following:⎯A PC model (PCM), which is a personal com puter where the model of the asynchronized turbogen erator with its basic system, and the model of the power system are implemented in real time.⎯A CB is a control board that simulates the master control board of the station (MCB).⎯A concentrator is a unit that connects all units of the computer test facility with a full scale ARV 2MA sample.⎯A service PC (PCS) is a service personal com puter that does the following:⎯makes it possible to visually control and record the operational process of a turbogenerator in a power system and of a full scale sample of the control system using a 32 channel digital oscillograph;⎯contains a source file of the model that describes the computer test facility and allows one to correct software on the fly as necessary. The service computer is connected with the PCM via RS 232 ports, which permits one to load the executable file into the PCM, as well as to vary the parameters of the simulating sys tem, which operates on a real time basis (mode of tur bogenerator operation, emergency situation in the power network, in the field system, etc.) using service software;⎯enables one to compare the operation of the full scale sample of the control system with the built in model of the computer analog of a full scale sample.Three special input-output boards of PC1 DDA08/12 are placed in the slots of the PCM. These boards are connected with the concentrator by input cables.ARV, SIFU FCq, and SIFU FCd units in the full scale sample of an automatic ARV 2MA field control ler are connected by cables with the corresponding slots of the concentrator board. This structure makes it possible to change the circuit of connections and sig nal addresses input to the ARV 2MA and recording oscillograph on the fly as necessary. Figure 2 depicts a general view of the computer test facility with an ARV 2MA field controller.The software simulated in real time show how an ASTG with a field system operates in the power sys tem. The models for turbogenerators are generated in accordance with complete Park-Gorev equations without taking into consideration the saturation and transient processes that take place in stator circuit. The rotor is represented by three equivalent damping circuits. Two field win...

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