JPH0130427B2 - - Google Patents
Info
- Publication number
- JPH0130427B2 JPH0130427B2 JP13910981A JP13910981A JPH0130427B2 JP H0130427 B2 JPH0130427 B2 JP H0130427B2 JP 13910981 A JP13910981 A JP 13910981A JP 13910981 A JP13910981 A JP 13910981A JP H0130427 B2 JPH0130427 B2 JP H0130427B2
- Authority
- JP
- Japan
- Prior art keywords
- relay
- voltage regulator
- ground fault
- switch
- high voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000012360 testing method Methods 0.000 claims description 40
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
- G01R31/3278—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches of relays, solenoids or reed switches
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Description
【発明の詳細な説明】
この発明は、ビル屋上や屋外キユービクルに設
備されている高圧受電装置の過電流および高圧地
絡継電器の試験装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a testing device for overcurrent and high voltage ground fault relays of high voltage power receiving devices installed on building rooftops and outdoor cubicles.
従来のこの種試験装置は、第１図に示すように
電源抵抗部Ａおよび計器操作部Ｂからなつてお
り、この電源抵抗部Ａは調整抵抗と電圧調整器が
直列に接続され、抵抗と電圧の変化により各電流
値を設定している。この関係を第１図に基づいて
詳述する。 A conventional test device of this type consists of a power supply resistance section A and an instrument operation section B, as shown in Fig. 1.The power supply resistance section A has an adjustment resistor and a voltage regulator connected in series, and the resistance and voltage are connected to each other in series. Each current value is set based on the change in . This relationship will be explained in detail based on FIG.
第１図において１は単相100V端子、２はノー
ヒユーズブレーカー（NFB）、３はパイロツトラ
ンプ、４は微調整用電圧調整器、５は粗調整用抵
抗、６は地絡用調整用抵抗、７はオン用電源スイ
ツチ、８はオフ用電源スイツチ、９は補助リレ
ー、１０はその接点、１１は電流メーター、１２
は電圧メーター、１３はセコンドカウンター、１
４はセコンドカウンタースイツチ、１５は過電流
継電器の接続端子、１６は高圧地絡継電器の接続
端子をそれぞれ示す。 In Figure 1, 1 is a single-phase 100V terminal, 2 is a no-fuse breaker (NFB), 3 is a pilot lamp, 4 is a fine adjustment voltage regulator, 5 is a rough adjustment resistor, 6 is a ground fault adjustment resistor, 7 is a power switch for ON, 8 is a power switch for OFF, 9 is an auxiliary relay, 10 is its contact, 11 is a current meter, 12
is the voltage meter, 13 is the second counter, 1
4 is a second counter switch, 15 is a connection terminal of an overcurrent relay, and 16 is a connection terminal of a high voltage ground fault relay.
尚OCRは過電流継電器、GRは高圧地絡継電
器、ZCTは地絡変流器、C1，C2は過電流継電器
の接続端子、kt，ltは高圧地絡継電器の接続端子
を示す。 Note that OCR is an overcurrent relay, GR is a high voltage ground fault relay, ZCT is a ground fault current transformer, C 1 and C 2 are connection terminals of the overcurrent relay, and k t and l t are connection terminals of the high voltage ground fault relay. .
次に第１図試験装置の作用を説明する。 Next, the operation of the test apparatus shown in FIG. 1 will be explained.
(1) 過電流継電器の試験について
ａ 単相100V端子１を入力電源（図示せず）
に接続し、パイロツトランプ２の点灯により
受電の有無を確認する。(1) Regarding overcurrent relay testing a. Connect single-phase 100V terminal 1 to input power source (not shown)
Connect to the power supply and check whether power is being received by turning on the pilot lamp 2.
ｂ 過電流継電器OCRを第１図の点線のよう
に試験装置の過電流継電器接続端子１５に接
続する。 b Connect the overcurrent relay OCR to the overcurrent relay connection terminal 15 of the test equipment as shown by the dotted line in Figure 1.
ｃ 電源スイツチ７をオンにし、補助リレー９
を作動させてその接点１０を閉じ、粗調整用
抵抗５のダイヤルと微調整用電圧調整器４の
ダイヤルにより、指定電流値を設定する。こ
の場合、電流設定中過電流継電器OCRが動
作しないようこの継電器の円盤（図示せず）
を手で押えておく。セコンドカウンタースイ
ツチ１４は開放したまゝにする。 c Turn on power switch 7 and turn on auxiliary relay 9.
is activated to close its contact 10, and a specified current value is set using the dial of the coarse adjustment resistor 5 and the dial of the fine adjustment voltage regulator 4. In this case, a disc (not shown) of this relay should be used to prevent the overcurrent relay OCR from operating during current setting.
Hold it down with your hand. Leave the second counter switch 14 open.
ｄ 微調整用電圧調整器４のダイヤルによつて
規定電流値になつたら電源スイツチ８をオフ
にし、過電流継電器OCRの円盤（図示せず）
から手を離す。ついでセコンドカウンタース
イツチ１３を投入してから電源スイツチ７を
オンにし、過電流継電器OCRの動作により
遮断器をトリツプさせてこの時の時限をセコ
ンドカウンター１３により測定（限時測定）
する。 d When the dial of the fine adjustment voltage regulator 4 reaches the specified current value, turn off the power switch 8, and turn off the overcurrent relay OCR disc (not shown).
Let go of your hand. Next, turn on the second counter switch 13, then turn on the power switch 7, trip the circuit breaker by operating the overcurrent relay OCR, and measure the time limit at this time using the second counter 13 (time limit measurement).
do.
ｅ 始動電流測定は、調整抵抗５のダイヤルを
規定値附近にセツトし微調整用電圧調整器４
のダイヤルによつて電流値を徐々に上げて過
電流継電器OCRの動作を確認する。この場
合セコンドカウンタースイツチ１４は開放し
ておく。 e To measure the starting current, set the dial of the adjustment resistor 5 near the specified value and turn the fine adjustment voltage regulator 4.
Gradually increase the current value using the dial and check the operation of the overcurrent relay OCR. In this case, the second counter switch 14 is left open.
(2) 高圧地絡継電器について
ａ 単相100V端子１を入力電源（図示せず）
に接続し、パイロツトランプ２の点灯により
受電の有無を確認する。(2) Regarding high-voltage ground fault relay a. Input power from single-phase 100V terminal 1 (not shown)
Connect to the power supply and check whether power is being received by turning on the pilot lamp 2.
ｂ 高圧地絡継電器GRを第１図の点線のよう
に試験装置の高圧地絡継電器接続端子１６に
接続する。 b Connect the high voltage ground fault relay GR to the high voltage ground fault relay connection terminal 16 of the test equipment as shown by the dotted line in Figure 1.
ｃ 地絡継電器用調整用抵抗（粗調整）６のダ
イヤルを指定値にセツトする。 c Set the dial of the ground fault relay adjustment resistor (rough adjustment) 6 to the specified value.
ｄ 微調整用電圧調整器４のダイヤルによつて
タツプ電流値近くまで電流を上昇させて、高
圧地絡継電器GRの動作により遮断器をトリ
ツプさせる。 d) Increase the current to near the tap current value using the dial of the fine adjustment voltage regulator 4, and trip the circuit breaker by operating the high voltage ground fault relay GR.
ｅ この時の電流値を電流計１１から読み取り
記録する。 e Read and record the current value at this time from the ammeter 11.
このように従来の試験装置は、電源抵抗部と計
器操作部が別体であるのできわめて大型であるば
かりでなく、調整抵抗と電圧調整器が直列に接続
されているため各電流値の設定に際し電圧調整器
の負担が大きく、この結果大容量の電圧調整器が
必要となり、重量も大きくなつて携帯用試験装置
としては不都合のものであつた。 In this way, conventional test equipment is not only extremely large because the power supply resistance section and the meter operation section are separate, but also because the adjustment resistor and voltage regulator are connected in series, it is difficult to set each current value. The load on the voltage regulator is large, and as a result, a large-capacity voltage regulator is required, and the weight is also large, which is inconvenient for a portable test device.
この発明は、試験装置の回路接続に改良を施す
ことによつて従来装置の不都合を解消することを
目的とする。 An object of the present invention is to solve the disadvantages of conventional test equipment by improving the circuit connection of the test equipment.
この発明の構成は、電源に対し抵抗切替器に接
続された粗調整用抵抗と微調整用電圧調整器が並
列接続されるとゝもに、この電圧調整器の出力が
電流メータおよび調整または試験切替スイツチを
介して被試験継電器の接続端子に供給され、か
つ、前記切替スイツチにセコンドカウンタが接続
されたことを特徴とする。 The configuration of the present invention is such that a coarse adjustment resistor connected to a resistance switcher and a fine adjustment voltage regulator are connected in parallel to the power supply, and the output of this voltage regulator is connected to a current meter and a voltage regulator for adjustment or testing. The signal is supplied to the connection terminal of the relay under test via a changeover switch, and a second counter is connected to the changeover switch.
以下この発明の実施例を第２図に基づいて説明
する。 Embodiments of the present invention will be described below with reference to FIG.
１は電源端子、２は電源端子１の一方とアース
間に接続されたパイロツトランプ、３はノーヒユ
ーズブレーカー（NFB）、４は複数組の抵抗器か
らなる粗調整用抵抗、５はこれらの抵抗器を切替
える抵抗切替部、６は微調整用電圧調整器（単巻
変圧器）、７は過電流継電器試験用電流メーター、
８は高圧地絡継電器試験用電流メーター、９はセ
コンドカウンター、１０はセコンドカウンタース
イツチ、１１は調整または試験に切替える切替ス
イツチ、１２は被試験機器である過電流継電器
（図示せず）の接続端子、１３は被試験機器であ
る高圧地絡継電器（図示せず）の接続端子をそれ
ぞれ示す。 1 is a power supply terminal, 2 is a pilot lamp connected between one of power supply terminals 1 and the ground, 3 is a no-fuse breaker (NFB), 4 is a rough adjustment resistor consisting of multiple sets of resistors, and 5 is a resistor for these resistors. 6 is a voltage regulator for fine adjustment (autotransformer), 7 is a current meter for overcurrent relay testing,
8 is a current meter for high voltage ground fault relay testing, 9 is a second counter, 10 is a second counter switch, 11 is a changeover switch for switching to adjustment or testing, and 12 is a connection terminal for an overcurrent relay (not shown), which is the equipment under test. , 13 indicate connection terminals of a high-voltage ground fault relay (not shown), which is the device under test.
こゝで抵抗切替器５を介して調整用抵抗４と微
調整用電圧調整器６を並列に接続しているので定
められた抵抗値に対し電圧調整器（単巻変圧器）
６の二次側逆方向電流を利用し、設定抵抗置に対
する電流を減流すなわち電圧低下をさせることに
より、必要な出力電流を増加させることができ
る。 Since the adjustment resistor 4 and fine adjustment voltage regulator 6 are connected in parallel via the resistance switch 5, the voltage regulator (autotransformer)
By utilizing the secondary side reverse current of No. 6 and reducing the current to the setting resistor, that is, reducing the voltage, the required output current can be increased.
次に過電流継電器および高圧地絡電器の試験に
ついてのべる。 Next, we will discuss testing of overcurrent relays and high voltage ground faults.
(1) 過電流継電器の試験について、
ａ 電源端子１を電源に接続し、パイロツトラ
ンプ２により電源入力の極性を確認する。(1) Regarding the overcurrent relay test, a. Connect power terminal 1 to the power source and check the polarity of the power input using pilot lamp 2.
ｂ 接続端子１２に過電流継電器（図示せず）
を接続する。 b Overcurrent relay (not shown) on connection terminal 12
Connect.
ｃ 抵抗切替器５のダイヤルにより粗調整用抵
抗の抵抗値をセツトすると共に微調整用電圧
調整器（単巻変圧器）６の可動片をセツトす
ることにより、指定電流値を設定する。この
場合切替スイツチ１１を調整側に入れておく
（過電流継電器の円盤を第１図のように手で
押える必要はない）。セコンドカウンタース
イツチ１０は投入したまゝにする。 c. The specified current value is set by setting the resistance value of the rough adjustment resistor with the dial of the resistance switch 5 and by setting the movable piece of the fine adjustment voltage regulator (autotransformer) 6. In this case, set the changeover switch 11 to the adjustment side (there is no need to press the disk of the overcurrent relay by hand as shown in FIG. 1). Leave the second counter switch 10 turned on.
ｄ 微調整用電圧調整器（単巻変圧器）６の可
動片の移動により規定電流値になつたら、た
だちに切替スイツチ１１を試験側に切替え、
過電流継電器（図示せず）を動作させること
によりしや断器をトリツプさせて、この時の
時限をセコンドカウンター９により測定（限
時測定）する。この場合セコンドカウンター
９は自動的に動作を開始する。 d. Immediately switch the changeover switch 11 to the test side when the specified current value is reached by moving the movable piece of the fine adjustment voltage regulator (autotransformer) 6.
By operating an overcurrent relay (not shown), the shield breaker is tripped, and the time limit at this time is measured by the second counter 9 (time limit measurement). In this case, the second counter 9 automatically starts operating.
ｅ 始動電流測定は切替スイツチ１１を試験側
に切替え粗調整用抵抗４の値が最小値になる
ように抵抗切替器５によりセツトし、微調整
用電圧調整器（単巻変圧器）６によつて電流
値を徐々に上げて、過電流継電器（図示せ
ず）の動作を確認する。この場合セコンドカ
ウンタースイツチ１０は開放しておく。 e To measure the starting current, switch the selector switch 11 to the test side, set the value of the rough adjustment resistor 4 to the minimum value using the resistance switch 5, and set it using the fine adjustment voltage regulator (autotransformer) 6. Then, gradually increase the current value and check the operation of the overcurrent relay (not shown). In this case, the second counter switch 10 is left open.
(2) 高圧地絡継電器の試験について、
ａ 電源端子１を電源に接続し、パイロツトラ
ンプ２により電源入力の極性を確認する。(2) Regarding the test of high voltage ground fault relays, a. Connect power terminal 1 to the power source and check the polarity of the power input using pilot lamp 2.
ｂ 接続端子１３に高圧地絡継電器（図示せ
ず）を接続する。 b. Connect a high voltage ground fault relay (not shown) to the connection terminal 13.
ｃ 抵抗切替器５のダイヤルをgr（地絡試験）
（図示せず）の位置にセツトする。 c Turn the dial of resistance switch 5 to gr (ground fault test)
(not shown).
ｄ 微調整用電圧調整器（単巻変圧器）６の可
動片を移動することによつて、タツプ電流値
近くまで電流を上昇させて、高圧地絡継電器
（図示せず）の動作によりしや断器をトリツ
プさせる。 d By moving the movable piece of the fine adjustment voltage regulator (autotransformer) 6, the current is increased to near the tap current value, and the high voltage ground fault relay (not shown) is activated. Trip the disconnector.
ｅ この時の電流値を電流メーター８から読み
取り記録する。 e Read and record the current value at this time from the current meter 8.
以上のようにこの発明は、計器操作部と電源抵
抗部を一体（１セツト）に構造上作製することが
できるので、試験装置を極めて小型にでき、そし
て粗調整用抵抗と微調整用電圧調整器を並列に接
続しかつ出力電流の設定の主体を粗調整用抵抗の
複数組の抵抗器の切替えによるものとしたので、
電圧調整器の負担は、分路回路により分流される
ため、微調整分の補充電流にすぎなくなり、この
結果電圧調整器は小容量ですむと共に極めて小型
になることにより、試験装置全体を小型軽量化す
ることができる。また従来の試験装置は操作取扱
いが複雑であるのに比し、この発明の試験装置は
それが著しく簡便である。 As described above, in this invention, the instrument operating section and the power supply resistor section can be structurally manufactured as one unit (one set), so the test equipment can be made extremely compact, and the coarse adjustment resistor and fine adjustment voltage adjustment The devices are connected in parallel, and the output current is mainly set by switching multiple sets of coarse adjustment resistors.
The load on the voltage regulator is shunted by the shunt circuit, so it is no more than a supplementary current for fine adjustments.As a result, the voltage regulator has a small capacity and is extremely compact, making the entire test equipment smaller and lighter. can be converted into Furthermore, while conventional testing devices are complicated to operate, the testing device of the present invention is extremely simple.
第１図は従来の簡易継電器試験装置の回路図、
第２図はこの発明の簡易継電器試験装置の回路図
を示す。
第２図において、４は複数組の抵抗器からなる
粗調整用抵抗。５は抵抗切替器。６は微調整用電
圧調整器（単巻変圧器）、７は過電流継電器試験
用電流メーター。８は高圧地絡継電器試験用電流
メーター。９はセコンドカウンター。１１は調整
または試験切替スイツチ。１２は過電流継電器の
接続端子。１３は高圧地絡継電器の接続端子。
Figure 1 is a circuit diagram of a conventional simple relay test device.
FIG. 2 shows a circuit diagram of the simple relay testing device of the present invention. In FIG. 2, reference numeral 4 denotes a rough adjustment resistor made up of multiple sets of resistors. 5 is a resistance switch. 6 is a voltage regulator for fine adjustment (autotransformer), and 7 is a current meter for overcurrent relay testing. 8 is a current meter for high voltage ground fault relay testing. 9 is the second counter. 11 is an adjustment or test changeover switch. 12 is the connection terminal of the overcurrent relay. 13 is the connection terminal of the high voltage ground fault relay.
Claims (1)
用抵抗と微調整用電圧調整器が並列接続される
とゝもに、この電圧調整器の出力が電流メータ及
び調整または試験切替スイツチを介して被試験継
電器の接続端子に供給され、かつ、前記切替スイ
ツチにセコンドカウンタが接続されたことを特徴
とする簡易継電器試験装置。 ２ 前記被試験継電器の接続端子は、過電流継電
器および高圧地絡継電器に接続されることを特徴
とする特許請求の範囲第１項記載の簡易継電器試
験装置。 ３ 前記電流メータは過電流継電器試験用電流メ
ータおよび高圧地絡継電器試験用電流メータから
なることを特徴とする特許請求の範囲第２項記載
の簡易継電器試験装置。[Claims] 1. A coarse adjustment resistor connected to a resistance switch and a fine adjustment voltage regulator are connected in parallel to a power source, and the output of this voltage regulator is connected to a current meter and a voltage regulator. Alternatively, a simple relay testing device characterized in that the signal is supplied to a connection terminal of a relay under test via a test changeover switch, and a second counter is connected to the changeover switch. 2. The simple relay testing device according to claim 1, wherein the connection terminal of the relay under test is connected to an overcurrent relay and a high voltage ground fault relay. 3. The simple relay testing device according to claim 2, wherein the current meter comprises an overcurrent relay testing current meter and a high voltage ground fault relay testing current meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13910981A JPS5839964A (en) | 1981-09-02 | 1981-09-02 | Simplified relay testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13910981A JPS5839964A (en) | 1981-09-02 | 1981-09-02 | Simplified relay testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5839964A JPS5839964A (en) | 1983-03-08 |
| JPH0130427B2 true JPH0130427B2 (en) | 1989-06-20 |
Family
ID=15237691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13910981A Granted JPS5839964A (en) | 1981-09-02 | 1981-09-02 | Simplified relay testing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5839964A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0827631B2 (en) * | 1986-02-06 | 1996-03-21 | ヤマハ株式会社 | Parameter setting device for electronic musical instruments |
| JPS63270U (en) * | 1986-03-06 | 1988-01-05 | ||
| JPH0782334B2 (en) * | 1987-01-17 | 1995-09-06 | ヤマハ株式会社 | Electronic musical instrument |
| JP5359106B2 (en) * | 2008-08-08 | 2013-12-04 | 株式会社戸上電機製作所 | Ground fault relay test equipment |
| US10215809B2 (en) * | 2015-11-24 | 2019-02-26 | Carrier Corporation | Method and system for verification of contact operation |
-
1981
- 1981-09-02 JP JP13910981A patent/JPS5839964A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5839964A (en) | 1983-03-08 |
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