CN202994923U - Power impact testing circuit for steel sheet resistor - Google Patents
Power impact testing circuit for steel sheet resistor Download PDFInfo
- Publication number
- CN202994923U CN202994923U CN 201220628917 CN201220628917U CN202994923U CN 202994923 U CN202994923 U CN 202994923U CN 201220628917 CN201220628917 CN 201220628917 CN 201220628917 U CN201220628917 U CN 201220628917U CN 202994923 U CN202994923 U CN 202994923U
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- CN
- China
- Prior art keywords
- contactor
- steel sheet
- sheet resistor
- power impact
- testing circuit
- 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 - Fee Related
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- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model discloses a power impact testing circuit for a steel sheet resistor. The power impact testing circuit is characterized by comprising a step-up transformer, an inductor, a contactor K1, a three-phase rectifier, an energy-storage capacitor bank, a contactor K2, a chopper and a steel sheet resistor, wherein the step-up transformer, the inductor, the contactor K1 and the three-phase rectifier are connected; the energy-storage capacitor bank is connected with the three-phase rectifier in parallel; and the contactor K2, the chopper and the steel sheet resistor are connected in series to form a loop, and the loop is parallelly connected with the energy-storage capacitor bank. The power impact testing circuit has the advantage that the tolerance capability of the steel sheet resistor to the power impact during operation can be accurately measured based on the actual working conditions of the application of the steel sheet resistor.
Description
Technical field
The utility model relates to a kind of power rush test circuit of steel disc resistance.
Technical background
Existing steel disc method for testing resistance is too simple, can not simulate the situation of change of temperature rise when current transformer works, thus the performance in the time of can't considering steel disc resistance and be applied in current transformer.
The utility model content
The utility model purpose is to provide a kind of operating mode when simulating the current transformer normal operation, the parameter when testing out exactly the power rush of steel disc resistance when current transformer is worked.
The technical solution of the utility model: a kind of power rush test circuit of kind steel disc resistance of steel disc resistance, it is characterized in that comprising step-up transformer, inductance, contactor, three phase rectifier, energy capacitance set, contactor, chopper, steel disc resistance, described transformer, inductance, contactor, three phase rectifier are connected; Described energy capacitance set and three phase rectifier are in parallel; Described contactor, chopper, steel disc resistance string are unified into a loop and are in parallel with energy capacitance set; Described energy capacitance set is formed by a plurality of Capacitance parallel connections.
Advantage of the present utility model: the tolerance of power rush in the time of can suiting actual condition that steel disc resistance uses and accurately measure the work of steel disc resistance.
Description of drawings
Fig. 1 is fundamental diagram of the present utility model.
In figure, the 1st, three-phase reorganizer, the 2nd, chopper.
Embodiment
A kind of power rush test circuit of steel disc resistance as shown in Figure 1, it is characterized in that comprising step-up transformer T, inductance L 1, contactor K1, three phase rectifier, energy capacitance set, contactor K2, chopper, steel disc resistance R, described transformer T, inductance L 1, contactor K1, three phase rectifier are connected; Described energy capacitance set and three phase rectifier are in parallel; Described contactor K2, chopper, steel disc resistance R are connected into a loop and are in parallel with energy capacitance set.
Described energy capacitance set is formed by 4 (can be also other numbers) Capacitance parallel connections.
Claims (2)
1. the power rush test circuit of a steel disc resistance, it is characterized in that comprising step-up transformer (T), inductance (L1), contactor (K1), three phase rectifier, energy capacitance set, contactor (K2), chopper, steel disc resistance (R), described transformer (T), inductance (L1), contactor (K1), three phase rectifier are connected; Described energy capacitance set and three phase rectifier are in parallel; Described contactor (K2), chopper, steel disc resistance (R) are connected into a loop and are in parallel with energy capacitance set.
2. the power rush test circuit of a kind of steel disc resistance according to claim 1, is characterized in that described energy capacitance set is formed by a plurality of Capacitance parallel connections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220628917 CN202994923U (en) | 2012-11-26 | 2012-11-26 | Power impact testing circuit for steel sheet resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220628917 CN202994923U (en) | 2012-11-26 | 2012-11-26 | Power impact testing circuit for steel sheet resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202994923U true CN202994923U (en) | 2013-06-12 |
Family
ID=48566092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220628917 Expired - Fee Related CN202994923U (en) | 2012-11-26 | 2012-11-26 | Power impact testing circuit for steel sheet resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202994923U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837759A (en) * | 2012-11-26 | 2014-06-04 | 浙江海得新能源有限公司 | Steel sheet resistor power rush test circuit and test method thereof |
-
2012
- 2012-11-26 CN CN 201220628917 patent/CN202994923U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837759A (en) * | 2012-11-26 | 2014-06-04 | 浙江海得新能源有限公司 | Steel sheet resistor power rush test circuit and test method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20201126 |