JP2016171635A5 - - Google Patents
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- JP2016171635A5 JP2016171635A5 JP2015048600A JP2015048600A JP2016171635A5 JP 2016171635 A5 JP2016171635 A5 JP 2016171635A5 JP 2015048600 A JP2015048600 A JP 2015048600A JP 2015048600 A JP2015048600 A JP 2015048600A JP 2016171635 A5 JP2016171635 A5 JP 2016171635A5
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- Prior art keywords
- correction
- mode
- correction coefficient
- protection relay
- current
- Prior art date
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- 238000001514 detection method Methods 0.000 claims 2
Claims (7)
前記保護検出部による比較の結果に基づいて前記保護リレーを制御することを特徴とする保護リレー装置。 A protection relay that protects the protected circuit by cutting off a current supplied to the protected circuit to be protected when the operation mode of the device is the normal mode, and a supply supplied to the protected circuit A current detector for detecting current, a voltage dividing circuit for generating a voltage for setting a settling current by resistance division in which a resistance value is adjusted by operating a variable resistor, and an operation mode of the own device has a correction coefficient. When the correction mode is to calculate, the correction unit that calculates the correction coefficient, and the settling current corrected using the correction coefficient calculated by the correction unit and the current detected by the current detector are compared. And a protection detection unit
A protection relay device that controls the protection relay based on a result of comparison by the protection detection unit.
前記補正係数で補正された整定電流値と前記供給電流とを比較し、前記補正係数で補正された整定電流値が前記供給電流の値以上の値になるまで前記補正係数を増加させて前記補正係数を算出し、
前記通常モードでは、
算出された補正係数を用いて前記整定電流値を補正することを特徴とする
請求項１に記載の保護リレー装置。 In the correction mode,
The settling current value corrected with the correction coefficient is compared with the supply current, and the correction coefficient is increased until the settling current value corrected with the correction coefficient is equal to or greater than the supply current value. Calculate the coefficient,
In the normal mode,
The protection relay device according to claim 1, wherein the settling current value is corrected using the calculated correction coefficient.
前記短絡コネクタは、前記孔部を介して前記一対のモード端子への接続が可能であり、
前記一対のモード端子への前記短絡コネクタの接続有無によって、自装置の動作モードが前記通常モードまたは補正モードに設定されることを特徴とする
請求項１または２に記載の保護リレー装置。 A pair of mode terminals provided in the case of the device itself; and a hole provided in the case through which a short-circuit connector connected to the pair of mode terminals can pass.
The short-circuit connector can be connected to the pair of mode terminals through the hole,
The protection relay device according to claim 1 or 2, wherein the operation mode of the device is set to the normal mode or the correction mode depending on whether or not the short-circuit connector is connected to the pair of mode terminals.
前記通常モードでは、
前記被保護回路の保護の状態を前記表示器によって表示し、
前記補正モードでは、
前記補正係数の算出が完了したことを前記表示器によって表示することを特徴とする
請求項１から３のいずれか１つに記載の保護リレー装置。 Further comprising a display,
In the normal mode,
The protection state of the protected circuit is displayed by the indicator,
In the correction mode,
The protection relay device according to any one of claims 1 to 3, wherein the display of the completion of calculation of the correction coefficient is displayed by the indicator.
前記補正モードにおいて前記補正係数を複数算出する場合、
前記補正係数の１つの算出が完了すると前記複数の表示灯を１つ点灯し、
すべての補正係数の算出が完了すると、前記複数の表示灯を点滅させることを特徴とする請求項４に記載の保護リレー装置。 The indicator includes a plurality of indicator lights,
When calculating a plurality of the correction coefficients in the correction mode,
When one calculation of the correction coefficient is completed, one of the plurality of indicator lights is turned on,
The protection relay device according to claim 4 , wherein when the calculation of all the correction coefficients is completed, the plurality of indicator lamps are blinked.
第１の整定電流値について算出した第１の補正係数と、第２の整定電流値について算出した第２の補正係数と、を補間して、他の整定電流値について補正係数を求めることを特徴とする
請求項１から５のいずれか１つに記載の保護リレー装置。 In the correction mode,
The first correction coefficient calculated for the first settling current value and the second correction coefficient calculated for the second settling current value are interpolated to obtain a correction coefficient for other settling current values. The protection relay device according to any one of claims 1 to 5.
請求項３に記載の保護リレー装置。 The protection relay device according to claim 3 , further comprising a label that closes the hole when attached to the housing, wherein the label is attached to the housing in the normal mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015048600A JP6418989B2 (en) | 2015-03-11 | 2015-03-11 | Protection relay device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015048600A JP6418989B2 (en) | 2015-03-11 | 2015-03-11 | Protection relay device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2016171635A JP2016171635A (en) | 2016-09-23 |
| JP2016171635A5 true JP2016171635A5 (en) | 2017-12-21 |
| JP6418989B2 JP6418989B2 (en) | 2018-11-07 |
Family
ID=56984280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015048600A Active JP6418989B2 (en) | 2015-03-11 | 2015-03-11 | Protection relay device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6418989B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112436480B (en) * | 2021-01-27 | 2021-04-23 | 温州置信智能锁业有限公司 | Door electric switch protection system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62207120A (en) * | 1986-03-05 | 1987-09-11 | 株式会社東芝 | Overcurrent protective relay |
| JP2000295757A (en) * | 1999-03-31 | 2000-10-20 | Takaoka Electric Mfg Co Ltd | Manufacture of digital protection relay and setting value table thereof |
-
2015
- 2015-03-11 JP JP2015048600A patent/JP6418989B2/en active Active
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