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MiPowerWelcome to the presentation Power System Software Package Planning Analysis Design Simulation Verification MiPower Power Systems Power Research & Development Consultants Pvt. Ltd. INDIA MiPower - An Introduction MiPower ± An Introduction MiPower MiPower is the state-of-the-art Windows based Power Systems Software. MiPower is highly interactive, user-friendly software for all analysis, planning, design and simulation of any given Power System irrespective of the geographical and environmental constraints. MiPower is widely used by Consultants, Power utilities, State Electricity Authorities and Academic & Research Institutes for more than a decade. MiPower is armed with robust power system engine in the backend and a lucid top-notch Windows GUI in the front-end. Approach, technique & methodology employed are field proven & time-tested. These conforms with standard ANSI, IEEE, IEC and other worldwide accepted standards. All power system data is centrally maintained with an industry standard relational database. Core power systems engine includes Single Phase Load Flow Transient Stability Voltage Instability Network Reduction Long Term Load Forecast Three Phase Load Flow Over Current Relay Co-ordination Harmonic Analysis Sub-synchronous Resonance Line & Cable Parameter Short Circuit Distance Relay Co-ordination Dynamic Stability Electro-Magnetic Transients Ground Grid Design MiPower helps in dealing with a wide range of power system problems. Highly intuitive Graphical User Interface smoothens the learning curve to a great extent. With MiPower, Power System Engineers can become productive with minimum effort / time and results are emphatically visible. Power Research & Development Consultants Pvt. Ltd. INDIA PRDC is managed by highly qualified technocrats with doctorates from world renowned Indian Institute Of Science. India. INDIA . Power Research & Development Consultants Pvt. experienced and dedicated people. PRDC's strong team comprises of highly qualified (Phds. The mission is to provide state-of-the-art power system solutions. MTechs). Bangalore. BE Dealt with several hundred cases Microsoft Certified Professionals Domain Expertise of 3 to 30+ years MiPower PRDC is a dynamic organization with core-expertise in power sector in providing lucid solutions for highly complex power system problems.About the Developers About the Developers Highlights Highly qualified Hard Core Power Systems Expertise Experts in Software Technologies Experience Several Phd. Ltd. MTech. Core team involves experts in their respective domains like power systems & software technology with an experience of Three to Thirty years. PRDC is in the fore-front in lending its services to Power sector in the form of System Planning & Studies mainly to the State Electricity Authorities and Utilities. ME. At a Glance Screen Shot 4 Level Security MiPower Main Screen Shot PS Network Editor Ground Grid Design Central Database Batch Mode Manager Interface Multi-Graph Plotter Line & Cable Params Automatic SLD Generation AutoCAD Export / Import Long Term Load Forecast PS Engines E. SC. TRS Control Systems Modeler cum Simulator Power Research & Development Consultants Pvt. LF. INDIA .MiPower .g. Ltd. At a Glance Four level Security MiPower Four Level Security Access Levels Super User Element Editor Library Editor Viewer Power Research & Development Consultants Pvt.MiPower . INDIA . Ltd. .A0 ‡ Integrated database ‡ Invoke any study .At a Glance MiPower MiGUI .LFA. INDIA . Ltd.MiPower . SCS« ‡ and more«.Power System Network Editor MiGUI ± Power System Network Editor Key Features ‡ All IEEE / IEC standard symbols ‡ Real-time Zooming / panning ‡ Single click Database Link ‡ Display of study results with SLD ‡ Dynamic load flow ‡ Creation of Contingencies ‡ Nested Networks ‡ Multi-Layers ‡ Save / Load snapshot ‡ Find a Bus / Node ‡ Element in-service / out-of-service ‡ User configurable base voltages ‡ Dynamic IEEE / IEC switch ‡ Object Z-Order control Standard Features ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ Multi-document support Context Sensitive Help Cut / Paste / Undo / Redo Ortho mode for drawing / moving objects Dynamic Text fonts Rotation / Resizing / WYSIWYG Print preview Print / Plot onto any Windows support printer / plotter Supported sizes A4 . Power Research & Development Consultants Pvt. Fuse.Central Database Manager Key Features MiPower MiDBase .Central Database Manager ‡ Centralized for Elements & Library ‡ User friendly.. ‡ Distinct element & connectivity data ‡ Entry in Per Unit [PU] or own rating ‡ Unlimited number of contingencies ‡ Invoke any study . SCS. Breakers. PSS. ‡ Apply global multification factor ‡ Apply global reduction factor ‡ Integrated AVR. Line & Cable etc.At a Glance MiDBase . SVC ‡ Custom HVDC.. Ltd. Power Research & Development Consultants Pvt.LFA. PSS. TG.. TG SVC ‡ User defined unlimited branch filters ‡ User defined load characteristics ‡ Present worth calculation ‡ Generator capability curves ‡ Standard & Custom reports Standard Features ‡ ‡ ‡ ‡ ‡ ‡ Context Sensitive Help Quick Find Global modification of any data Tabular listing of any data Industry standard data navigation tools Deleted record tracking ‡ Additional MIS reports ‡ Creation of sub-DB from master DB ‡ and more«.MiPower . AVR. Generators. SVC. AVR. Interactive forms ‡ Solid validated library of Relays. INDIA . Text to DB / DB to Text Key Features ‡ Creation of central database using available plain ASCII data files ‡ Easy import / export of data in plain ASCII text ‡ Single click deletion of obsolete network data from central database ‡ Aids quick printing of any standard library Power Research & Development Consultants Pvt.MiPower .Text to DB / DB to Text MiBatch aids in conversion of plain ASCII data into standard database & vice-versa. MiPower MiBatch .At a Glance MiBatch . INDIA . Ltd. Multi-graph Plotter Key Features ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ Linear. semi-log.Y axis labels Device co-ordination using curves Harmonic Analysis of obtained graphs Math operations on obtained curves Use of Symbols for curve identification Flexible Axis alignment Provision for modifying data any time Standard Features ‡ ‡ ‡ ‡ ‡ ‡ Context Sensitive Help Fonts & User defined X . log scale Curve Tracing Superimpose multiple graphs User defined X . INDIA .Multi-graph Plotter MiPower MiGraph . Ltd.Y axis lables Standard WUSIWYG Print-preview / Print User defined Background color Export to AutoCAD Zoom facility Power Research & Development Consultants Pvt.MiPower .At a Glance MiGraph . MiPower . HVDC and FACTS simulation ‡ Under Load Tap Changer simulation ‡ Compatible with MiPower¶s Transient stability module ‡ and more«. INDIA . Standard Features ‡ ‡ ‡ ‡ ‡ ‡ ‡ Multi-document support Context Sensitive Help Cut / Paste / Undo / Redo Ortho mode for drawing / moving objects Dynamic Text fonts Rotation / Resizing / WYSIWYG Print preview Print / Plot onto any Windows support printer / plotter Power Research & Development Consultants Pvt. Governor.At a Glance MiFPB . Ltd.Free Programmable Blocks Key Features ‡ General Purpose Modeling tool ‡ Time domain analysis of any control block ‡ Stand alone simulation ‡ Simulation when integrated with power system ‡ 50 types of nodes ‡ 30 elementary blocks ‡ Standard Disturbance Simulation ‡ Design of Compensators ‡ Design of PID Controllers ‡ AVR. SVC.Free Programmable Blocks MiPower MiFPB .. Generator Q .Raphson and Gauss . MVAR compensation Load shedding during under frequency to maintain the frequency at desired value. reactor and capacitor values can be changed globally or zone wise using reduction factors. INDIA . Load Flow Analysis ‡ ‡ ‡ Load values. Generator capability curves ‡ User-defined frequency and base MVA ‡ Transmission line can be opened at one or both sides ‡ Representation of shunt elements in admittance /impedance ‡ Two / Multi .MiPower . ‡ Modeling two and three winding transformers with auto tap. Flat Frequency and Flat Tie-Line Frequency Bias Control ‡ Active / Real Optimal load flow ‡ Reactive Optimal load flow ‡ Active/Real and Reactive load flow ‡ AC-DC load flow ‡ Looped. Optimal and contingency ranking ‡ Fast-DeCoupled. when the voltage magnitude at load bus goes below specified value to have better and realistic convergence. Standard and Custom reports Load Flow Analysis ‡ Slack bus.check limit violations after a specified number of iterations. Frequency dependent. load characteristics. Newton .At a Glance Feature Highlights MiPower ‡ Efficient memory management using sparsity technique.terminal HVDC systems ‡ Modeling six/twelve pulse monopolar / bipolar HVDC converters with constant voltage/current/power controls. Ltd. cases ‡ User-defined filters. radial and Multiple Isolated systems ‡ User-defined number of contingencies.Seidel methods ‡ Frequency dependent with Flat Tie-Line. Changing the load model from the given type to impedance type automatically. scheduled generation. off nominal fixed tap and phase shift ‡ Grouping buses zone/area wise ‡ ‡ ‡ Power Research & Development Consultants Pvt. Ltd.010-1979[1] IEEE C37. INDIA . currents and impedance as seen at the relay positions Breaker fault interrupting capacity selection User defined Output units Custom reports Short Circuit Analysis ANSI / IEEE standards IEEE Std 141-1986[4] IEEE C37.MiPower . radial systems Multi islanding Multi generation Multi cases and contingencies Open conductor faults Travelling shunt faults Fault at all / selected buses sequentially Fault at selected voltage level/s Earthing & Zigzag transformers First cycle and interrupting fault rating Reactor Sizing Alerts breaker capacity violation Motor contribution to faults HVDC system contribution to faults Pre-fault voltage condition from the load flow/flat start Power Research & Development Consultants Pvt.5-1979 [3] IEEE C7010-1979 IEC 363 IEC 909 Symmetrical and Asymmetrical faults Faults with and without impedance Loop. zero sequence current & fault-MVA Phase A. C current and fault MVA Peak Asymmetrical current. negative. Fault impedance R/x ratio Post-fault bus voltages. B.At a Glance MiPower Feature Highlights ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ Short Circuit Analysis ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ Multiplication factors for unknown zero and negative -sequence parameters Positive. SVCs and HVDC.MiPower . Turbine-governors. Ltd. INDIA . frequency relays & distance relays Standard IEEE voltage regulators.DOL ‡ Resistance Synchronous machine models Voltage relays.At a Glance MiPower Feature Highlights ‡ ‡ Transient Stability Analysis ‡ ‡ ‡ ‡ ‡ User defined load characteristics Modeling of six pulse / twelve pulse monopolar / bipolar HVDC converters with constant voltage / current / power controls Different levels of load shedding User-defined AVR¶ s. like rolling mills Power Research & Development Consultants Pvt. ULTC controls Text and Graphical Output Sample Swing Curve Transient Stability Analysis ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ Unlimited number of disturbances Types of disturbances ‡ Three phase fault ‡ Single line to ground fault ‡ Transformer parameter variation ‡ Transmission line parameter variation ‡ Load change ‡ Generator tripping ‡ Total generation outage ‡ Excitation loss ‡ Shunt impedance change ‡ Motor Start and Stop Motor starting with ‡ Auto transformer ‡ Star delta ‡ Direct Online . Standard IEEE steam/hydro/gas turbine governors Standard IEEE power system stabilizer Standard IEEE static VAR compensators Modeling cyclic loads. At a Glance Protective Device Co-ordination Feature Highlights MiPower ‡ Relay co-ordination for radial and mesh networks ‡ Automatic / Interactive / Manual Primaryback-up relay pairs generation ‡ Save and retrieval of selected relay pairs ‡ Fault calculation is a part of relay coordination program ‡ Phase and Earth relay co-ordination ‡ Optimum setting for Motor relays. INDIA . L-L. unbalance factor and discrimination time for each relay Protective Device Coordination Overcurrent & Impedance / Distance Protection ‡ Choice of transient/Sub-transient for Fault calculation ‡ Fault through impedance ‡ Fault on bus/node/Transmission line ‡ Optional inclusion of motor contribution during fault simulation ‡ Discrimination time calculator ‡ L-G. L-L-G fault simulation ‡ Zone 1.Pick. drag and drop characteristic curves ‡ Verification of existing relay settings ‡ Fault simulation and relay tripping sequence ‡ Text and Graphical Output ‡ Export to Autocad ‡ Thermal curves for each equipment ‡ Option of Voltage initialization by load flow or flat start ‡ Overload factor. Ltd. Hot and cold curves considered ‡ Extensive relays data base ‡ Extensive fuse data ‡ Easy interface for adding new relay to library ‡ Graphical co-ordination . L-L-L. zone 2 and zone 3 setting for distance relays ‡ Impedance seen by the relay for faults Sample Co-ordinated curve Power Research & Development Consultants Pvt.MiPower . MiPower .At a Glance MiPower Feature Highlights ‡ L-Index computation Voltage Instability Analysis Voltage Instability Analysis Voltage Instability Analysis ‡ Assess the risk of voltage instability ‡ Margin of instability during sudden disturbances ‡ Ranks the load buses based on the L-index value ‡ Voltage dependency of loads is accounted while modeling loads ‡ Voltage/reactive power sensitivity risk indices ‡ Voltage collapse proximity indicator ‡ Graphical report of voltage instability for better analysis Power Research & Development Consultants Pvt. Ltd. INDIA . MiPower . Graphs of phase and line-to-line voltages and currents versus time and frequency. Power Research & Development Consultants Pvt. harmonic impedance versus frequency. Ltd. INDIA .At a Glance MiPower Feature Highlights ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ Harmonic Analysis Harmonic Analysis Three-phase harmonic load flow to compute harmonic distortion factors Harmonic transfer and driving point impedance for both transmission and distribution power systems Instantaneous and RMS voltage/current sources are considered Representation of user defined loads Characteristic to model realistic loads such as arc furnace. rolling mills and non-linear devices HVDC converter is modeled as a current source User defined filters are supported Individual voltage distortion Total voltage distortion Telephone influence factor ( TIF ) Generator / motor harmonic current Ig Self and transfer harmonic network impedance Harmonic bus voltages and line currents Harmonic power flows through filters and lines etc. At a Glance MiPower Feature Highlights ‡ Dynamic Stability Analysis Dynamic Stability Analysis Dynamic stability analysis for the given power system in both frequency domain (Eigen value analysis) and time domain. Eigen values are computed for the system Disturbance set ‡ ‡ ‡ ‡ Change in reference angle Reference voltage Reference power Reference speed.MiPower . INDIA . Ltd. ‡ ‡ ‡ ‡ Initial condition obtained from Load flow Generator modelling includes the controllers. ‡ Used defined number of cases Power Research & Development Consultants Pvt. Static Equivalent .At a Glance Feature Highlights ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ MiPower Network Reduction Network Reduction Static and dynamic equivalents for the power system. voltage and impedance Power Research & Development Consultants Pvt. INDIA . power.MiPower . Ltd.bus admittance matrix (Ybus) as seen from the desired nodes Dynamic Equivalent -single machine equivalent circuit Automatic generation of Sub-Database for reduced network Load flow output is considered to establish the initial condition Buses to be retained are selected individually or zone/area wise Output for both Ybus and Zbus matrices for the reduced system Impedance values of additional series and shunt connections Output includes equivalent generator's inertia. At a Glance Sub-Synchronous Resonance MiPower Sub-Synchronous Resonance Feature Highlights ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ Frequency response method Many synchronous machines Extensive series compensated transmission network Simultaneous detailed modeling of all machine shafts and control loops Stability of the system is examined by the Nyquist plot Maximum of 20 masses can be represented in the turbine shaft model Mode shapes are computed for the turbine shaft Frequency can be varied from a minimum value to a maximum value at user defined step value Power Research & Development Consultants Pvt.MiPower . Ltd. INDIA . instantaneous voltage and current sources. shunt reactor (including saturation). series reactor. induction motors. shunt capacitor. series capacitor. synchronous machines. Ltd. transformer with magnetizing component. resistor.At a Glance MiPower Feature Highlights ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ Designed to perform both for transient and dynamic over voltage studies Highest discharge currents and energy stresses for the protective equipment Over voltages caused due to energization of lines. transformers and shunt elements. INDIA .MiPower . RMS voltage and current sources. lightning arrestors Statistical analysis of breaker closing and opening Symmetrical and asymmetrical faults with fault impedance Time varying resistor Impulse voltage/current can be injected at a bus as disturbance Facility exists to incorporate user defined filters Three phase over voltage profiles Statistical distribution of over voltages Arrester voltage. during fault inception and on clearing of faults Modeling of transmission line. current and energy Current through different equipment Voltages at different equipment Electro Magnetic Transient Analysis Electro Magnetic Transient Analysis Power Research & Development Consultants Pvt. At a Glance MiPower Long Term Load Forecast ‡ ‡ ‡ ‡ ‡ ‡ Forecasts the energy demand during the planning stages of a power system. Ltd. population. and agriculture etc ‡ ‡ ‡ Capable of selecting the best model out of various models Facility to accommodate maximum of 48 observations for each category Output includes reports and bar graph files Long Term Load Forecast Feature Highlights ‡ Power Research & Development Consultants Pvt. INDIA . Can be applied for any type of load data Can accommodate any number of independent variables Multivariate regression techniques for the forecasting Uses the past data for the estimation of dependent variables with least error Based on the user input value. number of consumers. etc ‡ In the same data file it is possible to define more than one dependent variable (maximum 18) for example total electricity consumption by different categories like. domestic. Facility to accommodate more than one independent variable (maximum 18) like. the forecasting model is selected. per-capita income.MiPower . commercial. negative and zero sequence parameters of Under Ground Cables Single and multi phase configurations Wide range of user defined frequencies and temperatures Calculates the mutual impedance between power and communication lines Supports 6 circuits for 3 phase line and 3 circuits for 6 phase line DC line parameter computation Transposed and untransposed Line parameters MKS and FPS units Impedance in Ohms per km or Ohms Impedance for entire line length or pu per km or pu for the entire line length Frequency varied from minimum to maximum value at user defined step Cable parameter calculation for both single core and 3 core cables Earth return path through ground or through ground and sheath or through sheath Power Research & Development Consultants Pvt. INDIA .MiPower . negative and zero sequence parameters of overhead lines Calculates the positive.At a Glance MiPower Line & Cable Parameter Calculation ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ ‡ Line & Cable Parameter Calculation Feature Highlights Calculates the positive. Ltd. Bangalore Central Power Research Institute (CPRI). (WAPCOS).E.Select list of MiPower users Consultants MiPower Select Client List Electrowatt Ekono. (KPTCL) Orissa State Electricity Board (OSEB) Ahmedabad Electrical Company Ltd. Bangalore Power System Training Institute (PSTI). Visakhapatnam. Calcutta CESC Limited.K ‡ MONENCO AGRA Inc. Renusagar. CANADA Canadian Power Consultants ± Canada ‡ ALSTOM T&D . Mumbai Rajasthan Rajya Vidyut Vitaran Nigam Ltd. (RRVPNL) Bharat Heavy Electrical Limited (BHEL).. Bangalore Power Research & Development Consultants Pvt.France Asea Brown Boveri Limited (ABB). U.P R & D and Training Institutes Indian Institute of Science. Development Consultants Limited (DCL). New Delhi West Bengal State Electricity Board (WBSEB) Nuclear Power Corporation (NPC).P Hindustan Petroleum Corporation Ltd. C. New Delhi State Electricity Authorities Bhutan Power Corporation Zimbabwe State Electricity Authority Qatar Water & Electricity Authority Assam State Electricity Board (ASEB) Chhattisgarh State Electricity Board (CSEB) Tamil Nadu Electricity Board (TNEB) Karnataka Power Transmission Corporation Ltd. Ministry of Power. New Delhi Water and Power Consultancy Services (India) Ltd. Calcutta National Thermal Power Corporation (NTPC).. Cochin Hindalco Industries Ltd. Gujarat Uttar Pradesh Power Corporation Ltd. A. Ltd. Industry Orissa State Hydro Power Corporation (OHPC) Reliance Industries Limited (RIL). INDIA . Hazira.. (UPPCL) Kvaerner Power Gas India limited. Bangalore.. Mumbai Fact Engineering & Design Organization. U.A. make sure your PC is connected to internet Contact PRDC Power Research & Development Consultants Pvt. INDIA .MiPowerSoftware. 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