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POWER*TOOLS
FOR WINDOWS
At SKM we pride ourselves on being the best in the industry. From top-notch products, to unparalleled customer support, SKM offers each of our clients a true advantage.
SKM has taken its power system design and analysis solution to new heights with PTW Version 7.0!
EXPERIENCE IT TODAY!
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CAPTOR
CAPTOR produces time versus current coordination drawings with one-line diagrams and setting reports. It lets you coordinate protective devices...
Arc Flash Evaluation
PTW Arc Flash Evaluation calculates the incident energy and arc flash boundary for each location in a power system....
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ArcCalc
ArcCalc calculates the incident energy and arc flash boundary for any point in a power system. Minimum and maximum arcing short circuit...
ArcCalc vs. PTW Arc Flash
ArcCalc calculates the incident energy and arc flash boundary and selects the Personal Protection Equipment (PPE) for a single point in a...
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IEC 60909 Short Circuit Analysis
PTW IEC 60909 calculates short circuit currents using the equivalent voltage source as required by the IEC 60909 standard. With PTW IEC_60909...
IEC 61363 Short Circuit Analysis
The IEC_61363 Short Circuit Study module calculates the current that flows in an electrical power system under abnormal conditions...
Equipment Evaluation
The Equipment Evaluation Study module compares protective device ratings with short-circuit calculations. The program also checks for...
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HI_WAVE
HI_WAVE simulates resonance and harmonic distortion in industrial, commercial, and utility power systems...
Unbalanced Single Phase Studies
PTW Unbalanced Studies simulates systems with single-phase, two-phase and unbalanced three-phase load conditions. Phase and sequence...
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I*SIM
PTW I*SIM is a program for transient stability analysis. It is designed to simulate system response during and after transient disturbances such...
Reliability
PTW Reliability Program calculates reliability indices and cost effects for alternative system designs. Calculations include alternative...
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GroundMat
PTW GroundMat is a program for substation ground grid design and analysis. It is designed to help optimize grid design or reinforce existing grids...
CABLE 3D
CABLE quickly solves complex three-dimensional cable pulling tension and sidewall pressure calculations, allowing you to make rapid and accurate...
PTW Viewer
PTW Viewer is the perfect tool to provide an interactive electrical model to your customers. Rather than paging through long reports, your...
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Who Are We?
SKM Systems Analysis, Inc. is a California-based corporation founded in 1972 by three progressive engineers with a desire to automate electrical design calculations. They originally developed the DAPPER power system analysis software on a mainframe at the UCLA Computer Center. By 1978, DAPPER was running in time-share mode on the Control Data Corporation mainframe, and being used by engineers both in the United States and internationally.
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Latest News
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A_Fault ANSI Standard
A_FAULT provides fault calculations in full compliance with the ANSI C37 standards. It offers separate solutions for low, medium and high voltage...