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How do you design a transformer with three phase 400v input and single phase 2000v output?

By design are you going to wind the transformer yourself? In your design you need a 5:1 ratio. On the output side of the transformer any two legs of a three phase transformer is considered single phase voltage. Good luck on your project.


What are the 5 different ways of design phase in software engineering?

A defined set of system models Rules that apply to these models Guidelines for design 'good practice' A model of the design process Formats for reports on the design


If the cost of fixing a defect in the requirements phase is 1 what is the relative cost of fixing a defect in the Testing Phase?

It is safe to estimate that the cost of fixing a problem increases by roughly an order of magnitude in each phase of development.requirements phase (cost 1)preliminary design phase (cost 10)detailed design phase (cost 100)coding phase (cost 1000)testing phase (cost 10000)So as an estimate if a problem is not found until test phase it will cost roughly 10000 times as much to fix as it would if the problem had been found in the requirements phase.


What is Booch methodologies?

The Booch software engineering methodology [#!booch!#] provides an object-oriented development in the analysis and design phases. The analysis phase is split into steps. The first step is to establish the requirements from the customer perspective. This analysis step generates a high-level description of the system's function and structure. The second step is a domain analysis. The domain analysis is accomplished by defining object classes; their attributes, inheritance, and methods. State diagrams for the objects are then established. The analysis phase is completed with a validation step. The analysis phase iterates between the customer's requirements step, the domain analysis step, and the validation step until consistency is reached. Once the analysis phase is completed, the Booch software engineering methodology develops the architecture in the design phase. The design phase is iterative. A logic design is mapped to a physical design where details of execution threads, processes, performance, location, data types, data structures, visibility, and distribution are established. A prototype is created and tested. The process iterates between the logical design, physical design, prototypes, and testing. The Booch software engineering methodology is sequential in the sense that the analysis phase is completed and then the design phase is completed. The methodology is cyclical in the sense that each phase is composed of smaller cyclical steps. There is no explicit priority setting nor a non-monotonic control mechanism. The Booch methodology concentrates on the analysis and design phase and does not consider the implementation or the testing phase in much detail.


How do you design power factor correction module for 3 phase?

using vienna rectifier