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Last updated on: 2026-05-30
App Store Apps > Education > Circle Diagram
Circle Diagram icon

Circle Diagram

1.2.0
Keiichiro Nakagawara
0.00
0 reviews
$0.99

Not recently updated — last update was on 2024-03-25. This app may no longer be actively maintained.
Circle Diagram Screenshot 1 of 1
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About Circle Diagram

Circle Diagram is an overall app developed by Keiichiro Nakagawara.

Download Statistics

User Ratings

The app has no ratings yet.

App Information

Circle Diagram costs $0.99 to download. The APK download size is 2.69 MB. The latest version available is 1.2.0. The last update was on March 25, 2024.

Technical Requirements

The app has a content rating of Everyone. The app has been available on Google Play August 2023.

Description
Circle Diagram is an easy-to-use app that can show the circle diagram of instrument voltage transformers given their zero burden error and rated burden error. And it enables you to get their error with an arbitrary burden you would connect to their secondary terminals. Error means ratio error and phase angle error of instrument voltage transformers. The zero burden error is one of their errors with the secondary terminals open. The rated burden error is one of their errors with the secondary terminals connecting to the rated burden. You can move a pointer within the error circle on the diagram and get the burden and the power factor with the arbitrary burden error. The main screen is shown in the figure 1. It has a circle diagram with ratio error on the x-axis and phase angle error on the y-axis. And it has the zero burden and its error TextFields, the rated burden and its error TextFields on the bottom and the arbitrary burden TextFields and its errors on the top. The zero burden and the rated burden and their errors is used to calculate the circle. You can get the error with the arbitrary burden and the location of the pointer which means the ratio error and the phase angle error on the diagram. The line, pointer and letter color on the diagram could be changed into the color you would like in the settings Action Sheet which could be shown by tapping the Settings Icon. The line width on the diagram could be changed also in the sheet.

Features:

X-Axis Range: ±0.2, ±0.4, ±1.0, ±2.0%
Y-Axis Range: ±6.9, ±13.8, ±34.4, ±68.8 minutes
Least Significant Digit: 0.01, 0.001
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More data about Circle Diagram

Price $0.99
Rating No ratings
Ranking Not ranked
Version 1.2.0
App download size 2.69 MB
Suitable for Everyone

More from Keiichiro Nakagawara

W Generator icon W Generator
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Changelog of Circle Diagram

No changelog data

Developer information for Keiichiro Nakagawara

Keiichiro Nakagawara

Address: N/A

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App Store Rankings for Circle Diagram

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Technologies used by Circle Diagram

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