Index

A

α–β theory, 405Accuracy, 13AC-DC converters, 310Active filter element, 519Active power

component, 53filter, 397line conditioner, 397quality conditioner, 397

Active seriesand active shunt, 523compensation, 170filter element, 519and passive shunt, 522

Active shuntcompensation, 96filter element, 519

AC voltage controllers, 310Adaptive detecting algorithm, 179, 238, 405Adaptive inference cancelling theory, 179, 238, 405Adjustable sink, 519Attenuation factor, 349Automatically tuned filters, 343

B

Balanced star connected compensator, 62Battery energy storage system, 174Battery-supported SSC, 171Broadband filter, low pass, 343Butterworth filter, 411, 417

C

Calibration, 13Clark’s transformation, 412Classical load compensation, 51Common-mode voltage, 13Composite filter, 343

Conductance based control, 238algorithm, 405

Control algorithm for elimination of voltageharmonics, 459

Coupling, 13C-type filter, 349Current control, indirect, 526Current fed type of nonlinear loads, 311Current source converter, 97, 170–2, 229, 232,

233, 453Current synchronous detection, 109, 117, 238, 405Current transformer, 13Custom power device, 96Cycloconverters, 310

D

Damped filter, 340Derating factor, 26Detroit Edison sag score, 25Digital signal processor, 97Discrete Fourier transform theory, 179, 238

transformation, 406Distribution compensator (DSTATCOM), 2, 96,

133, 229Divesting resonance, 51Double band pass filter, 342Double tuned filter, 342Dropout, 13Dynamic voltage restorer, 2, 96, 170, 178, 229

E

Electromagnetic compatibility, 13, 16Electromagnetic disturbance, 13Empirical decomosition transformation theory, 180,

238, 406Enhanced phase locked loop control, 179, 239, 405Equipment grounding conductor, 13Excessive current in neutral, 1, 306

Power Quality Problems and Mitigation Techniques, First Edition.Bhim Singh, Ambrish Chandra and Kamal Al-Haddad.© 2015 John Wiley & Sons, Ltd. Published 2015 by John Wiley & Sons, Ltd.

F

Failure mode, 13Fast fourier transform theory, 179,

238, 406Flashover, 1Flexible alternating current transmission system, 397Flicker, 12Fluctuating loads, 306Fourier series theory, 179, 238, 406Four wire

APF, series, 456DSTATCOM, 101nonlinear loads, 313passive compensators, 51PPFs, 344

Frequency deviation, 14Fundamental (component), 12

G

Gate turn-off thyristor, 231Ground loop, 14

H

Hall effect voltage, 523Harmonic components, 14Harmonic dam, 509Harmonic factor (HF), 15Harmonic isolator, 463Harmonic valley, 519harmonic voltage source, 523High pass filter, 342High-voltage direct current, 397Hilbert Huag transformation theory, 180, 238, 406Hybrid filter, 343

passive, 340power, 520

Hysteresis current control, 405

I

I cosΦ control algorithm, 109, 115, 238, 405IEC-61000, 17IEEE-519-1992, 17Imbalance (voltage or current), 12Immunity (to a disturbance), 14Improved power quality AC–DC converter (IPQC), 2Impulse, 14Impulsive transient, 12Indirect current control, 526Inductive energy storage, 97, 99Inductive loads, 307Injection transformers, 184, 234, 246, 248, 249, 250,

464Inrush currents, 307Instantaneous reactive power

compensator, 397theory, 97, 109, 119, 120, 138, 179, 230, 237, 398,

405, 411, 524

Instantaneous symmetrical component theory, 123, 179,230, 238, 405

Insulated gate bipolar transistor, 170, 231Interfacing inductor, 465Interharmonic (component), 12Inverse Clark’s transformation, 412Isolation, 14

equipment ground, 14

K

Kalman filter based control, 179, 238, 406K-factor, 25

L

Lightening, 1Long-duration rms variation, 12Lossless passive filters, 505Lossless reactive elements, 48Low pass broadband filter, 343

M

matrix converters, 2Maximum demand, 14Metal oxide semiconductor field effect transistor,

170Mixed nonlinear loads, 307Momentary interruption, 12, 14Multipulse AC-DC converters, 2

N

Neural network theory, 130, 179, 230,238, 405

Neutral current mitigation, 51Noise, 14Nominal voltage, 14Non linear loads, 1, 14, 306Nonsaturation electrical loads, 306Non-solid-state device type nonlinear loads, 309Normal-mode voltage, 14Notch, 1, 14

filter method, 398

O

Oscillatory transient, 14Overvoltage, 14

P

Parallel resonance, 62phenomenon, 358

Park’s transformation, 181, 245, 250, 459Passive compensation, 48Passive damped filter, 340Passive hybrid compensators, 49Passive power filter (PPF), 337Passive series

compensators, 49and passive shunt, 520

580 Index

Passive shuntand active series, 521compensators, 49

Phase angle control, 235, 237, 241, 243Phase lock loop, 238, 240Phase shift, 15Point of common coupling (PCC), 1, 15Pollution of AC supply, 1Potential transformer, 15Power balance theory, 109, 230, 238, 405Power disturbance, 15Power factor corrected (PFC) converters, 2Power frequency variations, 5Power quality, 1, 15

monitoring, 18standards, 11, 16

PQ theory, 179, 405Pulse width modulation, 170

Q

Quality factor, 350, 527

R

Reactive power, 343component, 54

Rectifier-supported SSC, 171Recursive discrete fourier transform theory, 179, 238

Fourier transformation, 406Reverse park’s transformation, 244, 245,

249, 250Ripple filter, 415, 417Root-mean-square (rms) variation, 13

S

Sag, 15Series filter, 343

active power, 452Series static synchronous compensator (SSSC), 3Shielding, 15Short-duration root-mean-square (rms) variation,

13short-duration voltage variations, 5Shunt filter, 342Shunt passive filter, 171Singe-phase DQ theory, 109, 126, 179, 238, 405Solid state control, 51, 306Solid state controllers, 1Solid-state device type nonlinear loads, 309Solid state synchronous series compensator, 170Static flicker compensators, 97Static synchronous series compensator, 171Static VAR generators, 49Stiff current fed loads, 310Stiff voltage loads, 311Stockwell transformation (S-transform) theory, 179,

238, 406Sub synchronous resonance, 62

Supply system based classification, 49Sustained interruption, 13, 15Swell, 15Switched-mode power supplies(SMPS), 4Switching transients, 307Symmetrical components, 54Synchronous detection method, 97, 398Synchronous frame d–q theory, 97, 109, 121,

137, 398Synchronous reference frame, 179, 180, 182, 185

theory, 243, 245, 250, 405, 406

T

Temporary interruption, 13, 15Tertiary winding, 347Three-phase series injection transformers, 174Three-wire

APF, series, 456DSTATCOM, 99nonlinear loads, 312passive compensators, 50PPFs, 344

Thyristor-controlled reactor (TCR), 97Thyristor switched capacitor (TSC), 97Time-domain and frequency-domain control

algorithms, 458Topology based classification, 49Total demand distortion (TDD), 15Tuned filter, 340Tuned passive filters, 523Tuning, 348Two wire

APF, series, 455DSTATCOM, 99passive compensators, 50PPFs, single-phase, 344

U

Unbalanced four wire load, 59Undervoltage, 15Unified power quality compensators, 229Unified power quality conditioner (UPQC), 2, 96Uninterruptible power supplies, 229Unit template technique, 109, 110, 179, 405, 408Unity power factor operation of DSTATCOM,

122Universal active power conditioner (UAPC),

505Universal APF, 523UPQC-P, 230–31, 234–38, 240, 246UPQC-Q, 231, 234–39, 241UPS, 172

V

Voltage based power quality problems, 307Voltage change, 13Voltage dip, 4

Index 581

Voltage distortion, 1, 15Voltage fed type of nonlinear loads, 311Voltage fluctuation, 5, 13Voltage harmonics

control algorithm for elimination, 459Voltage imbalance (unbalance), 15Voltage interruption, 13Voltage regulation, 15Voltage sag lost energy index (VSLEI), 25Voltage source converter, 97, 98, 108, 170, 175, 179,

229, 233, 235, 454Voltage swell, 5

VSC-based active filter, 519VSC-based series APF, 454

W

Waveform distortion, 13Wavelet transformation theory, 179, 238, 406Widrow’s derived LMS-based Adaline algorithm, 130,

179, 238, 405

Z

Zero voltage regulation, 405, 407operation of DSTATCOM, 122

582 Index