About
Vishtech SoftwareEngineering software from the Vishtech group — written by people who design and build power distribution.Engineering software
Calc-AxSix engineering calculators, one file
Calc-Ax LoadLoad schedule and maximum demand
Calc-Ax CableCable sizing, derating and voltage drop
Calc-Ax BusductBusduct rating, voltage drop and route
Calc-Ax Short CircuitFault levels to IEC 60909
Calc-Ax TransformerTransformer rating, losses and efficiency
Calc-Ax PFPower-factor correction and APFC
Draw-AxCAD with switchgear block libraries
Solutions
Who it is forThe same tools serve a consultant at a desk, a manufacturer at the works and a crew on site.Switchgear and busduct manufacturersQuotation to completionConsultants and design officesCalculations and drawingsEPC and electrical contractorsSites, crews and approvalsPanel buildersBOQ, drawings and offersFacility and utility engineersLoad, fault and power factorEvery officeFree documents and communication
Resources
Catalogues and downloadsRead the catalogues online, check which platform each product runs on, and join early access.Contact
Talk to ussales@vishtech.co.in · +91 90569 47905 — we reply within one working day.Experience centre — guided tour with Sunaina and Abhinav
Engineering software
Calc-AxCalc-Ax LoadCalc-Ax CableCalc-Ax BusductCalc-Ax Short CircuitCalc-Ax TransformerCalc-Ax PFDraw-AxBusiness platforms and documents
Sales-AxAttend-AxPage-AxDoc-AxWorkplace and communication
Sys-AxBrowse-AxChat-AxMail-AxMeet-AxCompany
HomeAboutSolutionsResources and cataloguesContact
Technical data
ModulesLoad, Cable, Busduct, Short Circuit, Transformer, PF
Calculation basisIEC 60364-5-52, IEC 60909, IEC 61439-6, IS 1180, IEC 60831
PlatformWindows 10 and 11, 64-bit
Project fileOne shared project across all six modules
ReportsPDF and Excel, on your letterhead
UnitsSI, with Indian cable and transformer ratings built in
LicenceFree
What you get
- One project file shared by all six modules — enter the load list once
- Results checked against the clause they come from, with the clause shown in the report
- Cable, busduct and transformer ratings from Indian and IEC catalogues built in
- Calculation reports on your own letterhead, ready to submit to the consultant
- Works offline on site; syncs the project when the laptop is back on the network
Who uses it
Consultants and design officesEPC contractorsPanel buildersBusduct manufacturersFacility engineersEngineering studentsModules in the suite
Six calculators, one project.
Calc-Ax Load
Connected load, diversity and maximum demand by feeder and by board.
Calc-Ax Cable
Current capacity with derating, voltage drop and short-circuit withstand.
Calc-Ax Busduct
Rating, voltage drop and route schedule for sandwich busduct.
Calc-Ax Short Circuit
Fault levels at every bus to IEC 60909.
Calc-Ax Transformer
Rating, losses and efficiency against IS 1180 energy levels.
Calc-Ax PF
Capacitor kVAr, APFC steps and detuning for a target power factor.
Works with
