|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Elektrika (Electrics) №3'2013 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Table of contents
Electric equipment: problems and efficiency
- Single process communication network of power system and its technocenosis in branch of OJSC "FGC UES" – MES Center. Chichyov, S.I. , 2
The basic concepts of technocenosis and the essence of cenological approach for an infocommunication network, the methodology of the cenological analysis of communications systems’ equipment amount and money for the services of technological communication for MES Center have been considered.
Keywords: infocommunication network, technocenosis, cenological analysis, communication system.
Theory of electrics
- Dependence of torque moment on real load angle of rolling rotor motor. Naniy, V.V.; Dunev, A.A. (E-mail: v.naniy@mail.ru), 9
Dependence of the torque moment of a rolling rotor motor on a real load angle, increase in the output torque moment by increasing in the coefficient of rolling friction, influence of a surface state of running on the load angle of a machine are considered.
Keywords: rolling rotor motor, unequal air gap, real load angle, idealized load angle, torque moment, engine, surface roughness.
- Comparison of motor-reducers and high-torque motors for gearless electric drive. Naniy, V.V.; Egorov, A.V. (E-mail: v.naniy@mail.ru), 13
The review of commercial motor-reducers has been made and comparison of their characteristics and characteristics has been carried out. The action principle of rolling rotor motor, its losses and reasons of low coefficient of efficiency were considered.
Keywords: motor-reducer, rolling rotor motor, torque moment, coefficient of reduction, output-input ratio, coefficient of efficiency, gearless electric drive.
- Random quantities and their distribution in reliability theory of objects moving at velocities close to velocity of light. Grachyov, A.S. (E-mail: asgrachev.51@yandex.ru), 17
Laws’ change of random quantities distribution in the reliability theory of electric power systems moving at velocities close to velocity of light are discussed. The hypergeometric distribution, Pirson (xi-square), distributions of Student and Fisher are considered.
Keywords: relativity theory to reliability, special theory to relativity, hypergeometric distribution, Pirson (xi-square) distribution, Student distribution, Fisher distribution.
- Fundamental rule of protection against electric shock. Kharechko Yu.V. (E-mail: Y.Kharechko@rambler.ru), 20
The analysis of the fundamental rule of protection against electric shock determined of the IEC 61140 is given in the article.
Keywords: electrical installation, electrical equipment, basic protection, fault protection, normal conditions, single-fault conditions, protective provision, enhanced protective provision.
Electric safety and energy saving
- Requirements of the IEC 61140 to protective provisions. Kharechko Yu.V. (E-mail: Y.Kharechko@rambler.ru), 26
The requirements of the IEC 61140 to protective provisions for the basic protection and the fault protection is given in the article.
Keywords: electrical installation, electrical equipment, basic protection, fault protection, normal conditions, single-fault conditions, protective provision, enhanced protective provision.
- Identification of basic problems for implementation of energy-saving projects. Biryulin, V.I.; Didkovskiy, V.V.; Gorlov, A.N. (E-mail: kafedra.es@yandex.ru), 30
The basic problems occurring during implementation of energy-saving projects are considered
Keywords: energy saving, energy resources, energy consumption, duty.
- Efficiency increase of safety braking of mine winders. Malinovskiy, A.K. , 36
Problems of mine winders operation, reasons of breakage and damage repair methods of them are considered.
Keywords: mine winder, rope line, groove, vessel.
Novelties: electric equipment, technologies, materials
- Features and methodological principles of man-machine system development of energy management at industrial enterprises. Biryulin, V.I.; Larin, O.M.; Khoroshilov, N.V. (E-mail: kafedra.es@yandex.ru), 40
Problems occurring during designing the expert systems of energy management at industrial enterprises and possible ways of their solutions are considered.
Keywords: energy management, expert system, mathematical model, algorithm, human-machine system.
Information support of operation of electric equipment |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 105215, г.Москва, 9-я Парковая ул., дом 60
Тел./факс: (495)988-98-65, (495)988-98-67
e-mail:
|
|
|
|
|