Tài liệu về " điện tử cơ bản " 20 kết quả

... (1 1.17), see e.g [7] g (k ) = K ( k − 1)u( k ) u ( k ) K (k − 1)u (k ) + Qm T ε ( k ) = uT (k ) p (k − 1) − y ( k ) p( k ) = p (k − 1) + ε (k ) g (k ) (1 1.17) K ( k ) = K (k − 1) − g (k )uT (. .. parameter tracking, a regularized constant trace algorithm is used with c1 / c2 ≅ 104 300 11 Wide Area Control of FACTS K ( k ) + K T (k ) (1 1.18) c1K ( k ) K (k ) = + c2Q p tr( K (k )) All the......

Ngày tải lên: 21/03/2014, 12:10

... Series Capacitor (TCSC) is a capacitive reactance compensator that consists of series capacitor banks shunted by Thyristor Controlled Reactors in order to provide a smoothly variable series capacitive... obviously it is placed in the machine having the highest participation factor 12.3 Modal Controllability, Observability and Residue One drawback of the participation factor approach described...

Ngày tải lên: 21/03/2014, 12:10

... matrix inequality is satisfied [21] § sin θ ( Acl X D + X D Acl T ) ă T â cos ( X D Acl − Acl X D ) cos θ ( Acl X D − X D Acl T ) · ¸

Ngày tải lên: 21/03/2014, 12:10

. 6 IGCT, 6 impedance (reactance) control, 47 impedance compensation, 95 Implicit Bus-Impedance Method, 139 increase of transmission capacity, 248 induction. 31 Index 383 reactive power flow control, 46, 62 remote control of ( maximum) apparent power, 33 remote feedback control, 309 remote reactive power f low

Ngày tải lên: 21/03/2014, 12:10

... Commonly described by the term ''Flexible AC Transmission Systems'' or ''FACTSdevices'', such equipment has been available for several years, but has still not been widely accepted by all grid operators... of the timely and important topic of flexible AC transmission networks There is no doubt that these innovative FACTS-devices will find a definite place in transmission and distribution netwo...

Ngày tải lên: 21/03/2014, 12:10

... Based FACTS Controllers for Electrical Transmission Systems IEEE Computer Society Press Hingorani NG, Gyugyi L (1999) Understanding FACTS: Concepts and Technology of Flexible AC Transmission Systems. .. core reactors and high voltage AC capacitors are the reactive power elements used together with the Thyristor valves The stepup connection of this equipment to the transmission voltage is achie...

Ngày tải lên: 21/03/2014, 12:10

Ngày tải lên: 21/03/2014, 12:10

. alt="" Newnes Electrical Power Engineer’s Handbook Second Edition This page intentionally left blank Newnes Electrical Power Engineer’s Handbook Second. operation of power systems, and in emc and power quality. So some chapters needed a substantial overhaul even though the Newnes Electrical Engineer’s Handbook

Ngày tải lên: 21/03/2014, 12:10

. design of various power converters; and  examples of recent applications of power electronics. Power Electronics Backgrounds The ®rst electronics revolution. 539 23.2 Power Electronics for Photovoltaic Power Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 540 23.3 Power Electronics

Ngày tải lên: 21/03/2014, 12:10

. Power Electronics Design: A Practitioner’s Guide Power Electronics Design: A Practitioner’s Guide Keith H. Sueker AMSTERDAM. book, I have defined power electronics as the application of high -power semiconductor technology to large motor drives, power supplies, power conversion equipment,

Ngày tải lên: 21/03/2014, 12:10

. Hanson 4 Fault Analysis in Power Systems Charles A. Gross 5 Computational Methods for Electric Power Systems Mariesa L. Crow II Power System Transients 6 Characteristics. is devoted to the subjects of power system analysis and simulation, power system transients, power system planning, and power electronics. If your particular

Ngày tải lên: 21/03/2014, 12:11

. disturbance data in books such as The BMI Handbook of Power Signatures, Second Edition , and the Dranetz Field Handbook for Power Quality Analysis. ß 2006 by Taylor. Summary Most power quality problems can be solved with simple hand-tools and attention to detail. Some problems, however, are not so easily identified, and it

Ngày tải lên: 21/03/2014, 12:11

. Shoults and Larry D. Swift 21 Distribution System Modeling and Analysis William H. Kersting 22 Power System Operation and Control George L. Clark and Simon. Second Edition Edited by John D. McDonald Power Systems Edited by Leonard L. Grigsby Power System Stability and Control Edited by Leonard L. Grigsby ß 2006

Ngày tải lên: 21/03/2014, 12:11

. (March and April) and weakest in the summer (July and August). Utilities here are summer peaking, and hence need the most power when winds are the lowest and. Variability 1-4 Land Rights The wind is a free, clean, and inexhaustible energy source. It has served humankind well for many centuries by propelling ships and driving

Ngày tải lên: 21/03/2014, 12:11

. just prior to combustion and expansion and, as a result, the compressor and the expander must operate at the same time and must have the same air mass flow. 2006 by Taylor & Francis Group, LLC. systems are quiet and non-polluting, and can be installed near load centers and existing suburban substations. These

Ngày tải lên: 21/03/2014, 12:11

. PV systems to supply a portion of their total customer demand. Some of these systems have been residential and commercial rooftop systems and other systems. PV systems. 3.2.2 Stand-Alone PV Systems Stand-alone PV systems are used when it is impractical to connect to the utility grid. Common stand- alone systems

Ngày tải lên: 21/03/2014, 12:11

. during system fault conditions. [see Power System Stability and Control, Kundur (1994) and Section 2 of title Power System Stability and Control of this handbook.] 4.2.4. damping power system dynamic oscillations. [see Power System Stability and Control, Kundur (1994) and Section 2 of title Power System Stability and Control

Ngày tải lên: 21/03/2014, 12:11

. to electrical power; and synchronous condensers supply only reactive power to stabilize system voltages. Synchronous motors, generators, and condensers. winding is powered with DC current, adjusted to rated voltage, and transferred to voltage regulator control. It is then synchronized to the power system,

Ngày tải lên: 21/03/2014, 12:11

. Sebra Baltimore Gas and Electric Company 6.1 Plant Auxiliary System 6-2 Selection of Auxiliary System Voltages . Auxiliary System Loads . Auxiliary System Power Sources . Auxiliary. maintenance. 6.6 DC Systems The plant will require at least one DC system for control and operation of essential systems when off-site power is lost. The

Ngày tải lên: 21/03/2014, 12:11

. overcurrent protection, islanding issues, communication and control, voltage regulation, frequency control, fault detection, safety issues, and synchronization water, carbon dioxide, and heat. The DC power can be used directly or it can be fed to a power conditioner and converted to AC power (see Fig. 7.2). Technology

Ngày tải lên: 21/03/2014, 12:11