MiPower-demo.pptx

Power Research & Development Consultants Pvt. Ltd. INDIA
MiPower
MiPower
Power System Software Package
Welcome to the presentation
Planning
Power Systems
Analysis
Design
Simulation
Verification

MiPower
MiPower - An Introduction
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 Three Phase Load Flow Short Circuit
Transient Stability Over Current Relay Co-ordination Distance Relay Co-ordination
Voltage Instability Harmonic Analysis Dynamic Stability
Network Reduction Sub-synchronous Resonance Electro-Magnetic Transients
Long Term Load Forecast Line & Cable Parameter 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.

MiPower
About the Developers
Highlights
 Highly qualified Several Phd. MTech. ME, BE
 Hard Core Power Systems Expertise Dealt with several hundred cases
 Experts in Software Technologies Microsoft Certified Professionals
 Experience Domain Expertise of 3 to 30+ years
PRDC is a dynamic organization with core-expertise in power sector in providing lucid
solutions for highly complex power system problems. PRDC's strong team comprises of
highly qualified (Phds, MTechs), experienced and dedicated people. Core team involves
experts in their respective domains like power systems & software technology with an
experience of Three to Thirty years. PRDC is managed by highly qualified technocrats
with doctorates from world renowned Indian Institute Of Science, Bangalore, India.
The mission is to provide state-of-the-art power system solutions. 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.
About the Developers

MiPower
Main Screen Shot
MiPower - At a Glance
Screen Shot
PS Network
Editor
Central Database
Manager Batch Mode
Interface
Multi-Graph
Plotter
Line &
Cable
Params
Long Term
Load Forecast
Ground
Grid Design
Control Systems
Modeler cum
Simulator
PS Engines
E.g. LF, SC,
TRS
Automatic
SLD
Generation
AutoCAD
Export / Import
4 Level
Security

MiPower
Four level Security
Access Levels
Super User
Element Editor
Library Editor
Viewer

MiPower
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
• Object Z-Order control
• Integrated database
• Invoke any study - LFA, SCS…
• and more…..
Standard Features
• Multi-document support
• Context Sensitive Help
• Cut / Paste / Undo / Redo
• Ortho mode for drawing / moving objects
• Dynamic Text fonts
• Rotation / Resizing
• Print / Plot onto any Windows support printer / plotter
• Supported sizes A4 - A0

MiPower
MiDBase - Central Database
Manager
MiDBase - Central Database Manager
Key Features
• Centralized for Elements & Library
• User friendly, Interactive forms
• Solid validated library of Relays,
Breakers, Generators, AVR, SVC,
Fuse, Line & Cable etc.
• Distinct element & connectivity data
• Entry in Per Unit [PU] or own rating
• Unlimited number of contingencies
• Invoke any study - LFA, SCS...
• Apply global multification factor
• Apply global reduction factor
• Integrated AVR, PSS, TG, SVC
• Custom HVDC, AVR, PSS, TG SVC
• User defined unlimited branch filters
• User defined load characteristics
• Present worth calculation
• Generator capability curves
• Standard & Custom reports
• Creation of sub-DB from master DB
• and more…..
Standard Features
• Quick Find
• Global modification of any data
• Tabular listing of any data
• Industry standard data navigation tools
• Deleted record tracking

MiPower
MiBatch - Text to DB / DB
to Text
MiBatch - Text to DB / DB to Text
MiBatch aids in conversion of plain ASCII data into standard database & vice-versa.
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

MiPower
MiGraph - Multi-graph
Plotter
MiGraph - Multi-graph Plotter
Key Features
• Linear, semi-log, log scale
• Curve Tracing
• Superimpose multiple graphs
• User defined X - 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
Standard Features
• Fonts & User defined X - Y axis lables
• Standard WUSIWYG Print-preview / Print
• User defined Background color
• Export to AutoCAD
• Zoom facility

MiPower
MiFPB - Free
Programmable Blocks
MiFPB - 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, Governor, SVC, HVDC and
FACTS simulation
• Under Load Tap Changer simulation
• Compatible with MiPower’s
Transient stability module
• and more…..
Standard Features
• Multi-document support
• 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

MiPower
Load Flow Analysis
Load Flow Analysis
• Load values, scheduled generation, reactor and
capacitor values can be changed globally or zone wise
using reduction factors.
• Generator Q - check limit violations after a specified
number of iterations.
• Changing the load model from the given type to
impedance type automatically, when the voltage
magnitude at load bus goes below specified value to
have better and realistic convergence.
• MVAR compensation
• Load shedding during under frequency to maintain the
frequency at desired value.
• Standard and Custom reports
• Efficient memory management using sparsity technique.
• Slack bus, Frequency dependent, Optimal and
contingency ranking
• Fast-DeCoupled, Newton - Raphson and Gauss - Seidel
methods
• Frequency dependent with Flat Tie-Line, 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, radial and Multiple Isolated systems
• User-defined number of contingencies, cases
• User-defined filters, load characteristics, 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 - terminal HVDC systems
• Modeling two and three winding transformers with auto
tap, off nominal fixed tap and phase shift
• Grouping buses zone/area wise
Feature Highlights

MiPower
Short Circuit Analysis
Short Circuit Analysis
• ANSI / IEEE standards
• IEEE Std 141-1986[4]
• IEEE C37,010-1979[1]
• IEEE C37.5-1979 [3]
• IEEE C7010-1979
• IEC 363
• IEC 909
• Symmetrical and Asymmetrical faults
• Faults with and without impedance
• Loop, radial systems
• Multi islanding
• Multi generation
• Multi cases and contingencies
• Open conductor faults
• Fault at all / selected buses sequentially
• Fault at selected voltage level/s
• 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
Feature Highlights
• Multiplication factors for unknown zero and
negative -sequence parameters
• Positive, negative, zero sequence current
& fault-MVA
• Phase A, B, C current and fault MVA
• Peak Asymmetrical current, Fault impedance R/x
ratio
• Post-fault bus voltages, currents and impedance as
seen at the relay positions
• Breaker fault interrupting capacity selection
• User defined Output units
• Custom reports

MiPower
Transient Stability Analysis
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 - DOL
• Resistance
• Synchronous machine models
• Voltage relays, frequency relays & distance relays
• Standard IEEE voltage regulators,
• Standard IEEE steam/hydro/gas turbine governors
• Standard IEEE power system stabilizer
• Standard IEEE static VAR compensators
• Modeling cyclic loads, like rolling mills
Feature Highlights
• 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, Turbine-governors, SVCs and
HVDC, ULTC controls
• Text and Graphical Output
Sample Swing Curve

MiPower
Protective Device Co-
ordination
Protective Device Co-ordination
Overcurrent & Impedance / Distance Protection
• Relay co-ordination for radial and mesh
networks
• Automatic / Interactive / Manual Primary-
back-up relay pairs generation
• Save and retrieval of selected relay pairs
• Fault calculation is a part of relay co-
ordination program
• Phase and Earth relay co-ordination
• Optimum setting for Motor relays. Hot and
cold curves considered
• Extensive relays data base
• Easy interface for adding new relay to library
• Graphical co-ordination - Pick, drag and drop
characteristic curves
• Verification of existing relay settings
• Fault simulation and relay tripping sequence
• Text and Graphical Output
• Thermal curves for each equipment
• Option of Voltage initialization by load flow or
flat start
• Overload factor, unbalance factor and
discrimination time for each relay
Feature Highlights
• 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-L, L-L, L-L-G fault simulation
• Zone 1, zone 2 and zone 3 setting for
distance relays
• Impedance seen by the relay for faults
Sample Co-ordinated curve

MiPower
Voltage Instability Analysis
• Assess the risk of voltage instability
• L-Index computation
• 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
Feature Highlights

MiPower
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.
• Graphs of phase and line-to-line voltages and currents versus time and frequency, harmonic
impedance versus frequency.
Feature Highlights

MiPower
Network Reduction Analysis
Network Reduction Analysis
• Static and dynamic equivalents for the power system.
• Static Equivalent - 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, power, voltage and impedance
Feature Highlights

MiPower
Sub-Synchronous Resonance
• 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
Feature Highlights

MiPower
Electro Magnetic Transient
Analysis
Electro Magnetic Transient Analysis
• 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, during fault inception and
on clearing of faults
• Modeling of transmission line, resistor, series reactor, series
capacitor, synchronous machines, induction motors,
transformer with magnetizing component, shunt reactor
(including saturation), shunt capacitor, instantaneous voltage
and current sources, RMS voltage and current sources,
lightning arrestors
• Statistical analysis of breaker closing and opening
• Symmetrical and asymmetrical faults with fault impedance
• Impulse voltage/current can be injected at a bus as
disturbance
• Three phase over voltage profiles
• Statistical distribution of over voltages
• Arrester voltage, current and energy
• Current through different equipment
• Voltages at different equipment
Feature Highlights

MiPower
Long Term Load Forecast
Long Term Load Forecast
• Forecasts the energy demand during the planning stages of a
power system.
• 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, the forecasting model is selected.
• Facility to accommodate more than one independent variable
(maximum 18) like, population, per-capita income, 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, commercial,
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
Feature Highlights

MiPower
Line & Cable Parameter
Calculation
Line & Cable Parameter Calculation
• Calculates the positive, negative and zero sequence
parameters of overhead lines
• Calculates the positive, 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
Feature Highlights

MiPower
Discussions

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