CN201589797U - Three-phase alternating current load box - Google Patents
Three-phase alternating current load box Download PDFInfo
- Publication number
- CN201589797U CN201589797U CN2009202943029U CN200920294302U CN201589797U CN 201589797 U CN201589797 U CN 201589797U CN 2009202943029 U CN2009202943029 U CN 2009202943029U CN 200920294302 U CN200920294302 U CN 200920294302U CN 201589797 U CN201589797 U CN 201589797U
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- China
- Prior art keywords
- circuit
- load
- load box
- alternating current
- phase alternating
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- Expired - Lifetime
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Abstract
The utility model discloses a three-phase alternating current load box, which is composed of an access circuit, a load regulating circuit and an electricity parameter test instrument, wherein two ends of the access circuit are provided with binding posts, the binding post of one end of the access circuit is connected with the load regulating circuit by a circuit interrupter, and the binding posts of the two ends of the access circuit are arranged on the box body of the load box. A control handle of the circuit interrupter, a regulating switch of the load regulating circuit and a display part of the electricity parameter test instrument are arranged on the panel of the load box. The three-phase alternating current load box has the advantages that the access circuit, the load regulating circuit and the electricity parameter test instrument are arranged in the same box body, the two ends of the access circuit can be arbitrarily connected with equipment, an operation mechanism and the display part are in the same panel, and the operation is convenient.
Description
Technical field
The utility model relates to a kind of commissioning device, relates in particular to a kind of three-phase alternating current load box.
Background technology
The manufacturer of power equipment needs equipment is debugged after device fabrication is good, and the applying unit of power equipment needs equipment is carried out field adjustable, examination behind the equipment of installing, and this just needs relevant detection equipment to come power equipment is debugged.Power equipment all needs to be connected into load usually when performance test, load generator parameter of the prior art is single, has only the binding post of input end, can't flexible combination between plurality of devices, and test very expends time in.
The utility model content
The utility model proposes a kind of three-phase alternating current load box, it is made up of place in circuit, load regulation circuit and electrical quantity analyzer, it is characterized in that: the place in circuit two ends are provided with binding post, and a wherein termination terminal of place in circuit is connected with the load regulation circuit by isolating switch; The electrical quantity analyzer is arranged on the place in circuit; The binding post at place in circuit two ends is arranged on the load box casing; The display part of the by-pass cock of the control handle of isolating switch, load regulation circuit, electrical quantity analyzer is arranged on the load box panel.
The load regulation circuit is made up of three groups of loads, and every group of load is by 6 fixed resistance pipes and manage 6 air-breaks of connecting respectively with 6 fixed resistances and forms, after 6 series connection decide the resistance pipe and air-break is connected in parallel again; 6 parameters that hinder pipe surely of every group of load are respectively: 0.5A, 1A, 2A, 4A, 5A, 10A; Each air-break is arranged on the panel.
The place in circuit two ends respectively are provided with 4 binding posts, and per two binding posts are one group of two ends of corresponding U, V, W, N phase line respectively.
The promising axial flow blower of respectively organizing the load cooling also is set in load box; The switch of the axial flow blower of tape light is arranged on the load box panel.
Load box casing below is provided with universal wheel.
Useful technique effect of the present utility model is: place in circuit, load regulation circuit and electrical quantity analyzer are arranged in the same casing, and the place in circuit two ends are docking device arbitrarily, operating mechanism and display part in same panel, handled easily.
Description of drawings
Fig. 1, place in circuit and load regulation circuit diagram;
Fig. 2, the utility model panel synoptic diagram.
Embodiment
The utility model structure is made up of place in circuit, load regulation circuit and electrical quantity analyzer, and the place in circuit two ends are provided with binding post, and a wherein termination terminal of place in circuit is connected with the load regulation circuit by isolating switch SB1; The electrical quantity analyzer is arranged on the place in circuit; The binding post at place in circuit two ends is arranged on the load box casing; The display part of the by-pass cock of the control handle of isolating switch SB1, load regulation circuit, electrical quantity analyzer is arranged on the load box panel.
Referring to Fig. 1, the place in circuit two ends respectively are provided with 4 binding posts, and per two binding posts are one group of two ends of corresponding U, V, W, N phase line respectively.The promising axial flow blower M that respectively organizes the load cooling also is set in load box; The K switch 1 of the axial flow blower of tape light is arranged on the load box panel.Load box casing below is provided with universal wheel.
Place in circuit has 4 circuits, every the circuit two ends all are provided with binding post, and the binding post at article one circuit two ends is X1, X5, and the binding post at second circuit two ends is X2, X6, the binding post at three-line two ends is X3, X7, and the binding post at the 4th circuit two ends is X4, X8; Article one, the U phase line of circuit corresponding device, the V phase line of second circuit corresponding device, the W phase line of three-line corresponding device, the zero line of the 4th circuit corresponding device.Binding post X5, X6, X7, X8 are connected on the isolating switch SB1;
The load regulation circuit is made up of three groups of loads, and every group of load is by 6 fixed resistance pipe R and manage 6 air-break K that R connect respectively with 6 fixed resistances and forms, after 6 series connection decide resistance pipe R and air-break K is connected in parallel again; 6 parameters that hinder pipe surely of every group of load are respectively: 0.5A, 1A, 2A, 4A, 5A, 10A; Each air-break K is arranged on the panel.3 groups are hindered one of pipe group surely and terminate at and form common port D together; 3 groups of other ends that hinder the pipe group surely, promptly A, B, C end all are connected on isolating switch SB1 and go up (connection of Y shape); So just can realize every phase current range of adjustment 0～20A, regulate, small step level electric current 0.5 by air-break K step level; Can symmetry or asymmetric adjusting.
When three-phase alternating current load box during as load, isolating switch SB1 is closed a floodgate, X5 is connected with the A end, and X6 is connected with the B end, and X7 holds with C and is connected, and X8 holds with D and is connected; By regulating closure/disconnection of the corresponding air-break K of each fixed resistance pipe, i.e. scalable output current size;
When the three-phase alternating current load box is made other test event, cut-off breaker SB1, on binding post X5, X6, X7, X8, insert equipment under test, on binding post X1, X2, X3, X4, insert adjustable voltage output device, three-phase line voltage, phase voltage, electric current, active power, reactive power, frequency and the power factor that can test equipment under test.
Claims (5)
1. three-phase alternating current load box, it is made up of place in circuit, load regulation circuit and electrical quantity analyzer, it is characterized in that: the place in circuit two ends are provided with binding post, and a wherein termination terminal of place in circuit is connected with the load regulation circuit by isolating switch (SB1); The binding post at place in circuit two ends is arranged on the load box casing; The display part of the control handle of isolating switch (SB1), the by-pass cock of load regulation circuit, electrical quantity analyzer is arranged on the load box panel.
2. three-phase alternating current load box according to claim 1, it is characterized in that: the load regulation circuit is made up of three groups of loads, every group of load is by 6 fixed resistance pipes (R) and manage 6 air-breaks (K) that (R) connect respectively with 6 fixed resistances and forms, after 6 series connection decide resistance pipe (R) and air-break (K) is connected in parallel again; 6 parameters that hinder pipe surely of every group of load are respectively: 0.5A, 1A, 2A, 4A, 5A, 10A; Each air-break (K) is arranged on the panel.
3. three-phase alternating current load box according to claim 1 is characterized in that: the place in circuit two ends respectively are provided with 4 binding posts, and per two binding posts are one group of two ends of corresponding U, V, W, N phase line respectively.
4. three-phase alternating current load box according to claim 1 is characterized in that: the promising axial flow blower (M) of respectively organizing the load cooling also is set in load box; The switch of the axial flow blower of tape light (K1) is arranged on the load box panel.
5. three-phase alternating current load box according to claim 1 is characterized in that: load box casing below is provided with universal wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202943029U CN201589797U (en) | 2009-12-31 | 2009-12-31 | Three-phase alternating current load box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202943029U CN201589797U (en) | 2009-12-31 | 2009-12-31 | Three-phase alternating current load box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201589797U true CN201589797U (en) | 2010-09-22 |
Family
ID=42749584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202943029U Expired - Lifetime CN201589797U (en) | 2009-12-31 | 2009-12-31 | Three-phase alternating current load box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201589797U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110596474A (en) * | 2019-09-10 | 2019-12-20 | 河南华盛隆源电气有限公司 | Unbalanced three-phase automatic regulating apparatus test circuit and test system |
-
2009
- 2009-12-31 CN CN2009202943029U patent/CN201589797U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110596474A (en) * | 2019-09-10 | 2019-12-20 | 河南华盛隆源电气有限公司 | Unbalanced three-phase automatic regulating apparatus test circuit and test system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100922 |