CN105629115A - Voltage source smart power grid substation relay protection tester - Google Patents
Voltage source smart power grid substation relay protection tester Download PDFInfo
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- CN105629115A CN105629115A CN201610160281.6A CN201610160281A CN105629115A CN 105629115 A CN105629115 A CN 105629115A CN 201610160281 A CN201610160281 A CN 201610160281A CN 105629115 A CN105629115 A CN 105629115A
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- Prior art keywords
- inductance
- voltage source
- resistance
- housing
- port
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- 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
Abstract
The invention discloses a voltage source smart power grid substation relay protection tester, which comprises a housing and an internal circuit. A front panel of the housing is provided with optical serial ports, optical network interfaces and first switch value input ports. A back panel of the housing is provided with switch value output ports, second switch value input ports, Ethernet ports, a power interface, a power supply switch, USB interfaces and an electrostatic grounding port. A top panel of the housing is provided with 16 paths of signal output ports. The front panel, the back panel and the top panel of the housing are provided with abundant interfaces, so that the tester can meet use needs and meet multi-test scene needs; power is supplied by a voltage source, so that the size of an existing voltage source is effectively reduced, and the tester is allowed to be reduced in size and weight, and is more convenient to carry; and the housing is made of aluminium magnesium alloy, which is good in heat dissipation performance, thereby facilitating heat dissipation.
Description
Technical field
The present invention relates to a kind of voltage source intelligent grid substation relay protection tester.
Background technology
China is vast in territory, in order to meet the need for electricity of the various places people, need the long-range conveying carrying out electric power, in order to reduce the damage of electric power in course of conveying, high pressure, EHV transmission technology is normally adopted to carry out power transmission, need substation to raise voltage with exporting at electric power, need in point of destination substation to reduce voltage, thus need a large amount of substations. In transformer substation construction process, it is necessary to configure corresponding relay protection circuit or device, in order to understand the working order of relaying device, it is necessary to tested by relaying device, now need to use relay-protection tester. But the ports such as the input and output of existing relay-protection tester are very little, it is difficult to practical requirement.
One employing " switch power supply+linear amplifier " pattern of voltage source in current relay-protection tester device; this kind of pattern has certain advantage when small-signal exports; but the existing defects when high-power output; efficiency is low; only 30-50%; and linear amplifier also exists the debugging problem of working point at different levels; it is unfavorable for producing in enormous quantities; if current source adopts " switch power supply+switching amplifier " pattern; then can raise the efficiency 75-90%; and switching amplifier one do not need complicated debugging to get final product normal operation, be particularly suitable for scale operation. But the design of switching amplifier output filter circuit is very important, if the circuit of design and optimum configurations are improper, can there is switch signal and electromagnetic interference signal in the output terminal at amplifier, cause output waveform to be deteriorated.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art; a kind of voltage source intelligent grid substation relay protection tester is provided; this tester has multiple interfaces; meet multi-test scene demand; adopt voltage source to power, effectively reduce the volume of existing voltage source so that tester volume reduces; weight saving, is more conducive to carrying.
It is an object of the invention to be achieved through the following technical solutions: voltage source intelligent grid substation relay protection tester, it comprises housing and inner circuit, the front panel of described housing is provided with light serial ports, light net mouth and the first On-off signal port, light serial ports is 12 tunnels, it is arranged on the top of front panel, light net Kou Wei 12 tunnel is arranged on the lower left side of light serial ports, and the first On-off signal port is 4 right, is arranged on the right side of the bottom of light serial ports; The rear panel of housing is provided with output switch parameter port, the 2nd On-off signal port, Ethernet mouth, power supply interface, power switch, USB interface and electrostatic grounding port, output switch parameter port is 8 right, it is arranged on the upper left quarter of rear panel, 2nd On-off signal port is 4 right, being disposed side by side on output switch parameter port bottom with Ethernet mouth, power supply interface, power switch, USB interface and electrostatic grounding port are arranged on the right portion of rear panel; The top panel of housing is provided with 16 road signal output ports;
Described inside circuit comprises voltage source circuit, and voltage source circuit comprises H bridge switch amplifier, and its 2nd triode, the mid point of the 4th triode connect the first inductance, then goes here and there the 2nd resistance, then connect the 3rd inductance and the first resistance are to output terminal; First triode of H bridge switch amplifier, the mid point of the 3rd triode connect the 2nd inductance, then go here and there the 3rd resistance, then the 3rd inductance of connecting is to the other end exported; First electric capacity in parallel between the tie point of the 2nd resistance, the 3rd inductance and the tie point of the 3rd resistance, the 3rd inductance; The output end points of the 2nd resistance, the 2nd inductance two electric capacity in parallel with the output end points of the 3rd resistance, the 3rd inductance; The tie point of the 2nd resistance and the 3rd inductance connects the 4th electric capacity to ground, the tie point of the 3rd resistance and the 3rd inductance connects the 3rd electric capacity to ground, 4th inductance and the 5th capacitances in series are connected between two pin of the 3rd inductance, and the input of H bridge amplifier is connected with external electrical source interface.
The lower section of described output switch parameter port is also provided with the synchronous interface of GPS and pulse per second (PPS) output port, and the synchronous interface of GPS and pulse per second (PPS) output port are all connected with inner circuit.
The corner, bottom of described housing is provided with leg, and leg is rubber feet.
The 3rd described inductance is four pin inductance; 2nd resistance connects 1 pin of four pin inductance, and the 3rd resistance connects 3 pin of four pin inductance; 4th inductance and the 5th capacitance series are between 2 pin and 4 pin of four pin inductance.
Described housing is the good aluminum magnesium alloy housing that dispels the heat.
Described USB interface adopts USB3.0 as communications protocol.
The invention has the beneficial effects as follows: the present invention provides a kind of voltage source intelligent grid substation relay protection tester; this tester is provided with abundant interface at the front panel of housing, rear panel and top panel; the needs of use can be met, meet multi-test scene demand, adopt voltage source to power; effectively reduce the volume of existing voltage source; tester volume is reduced, weight saving, be more conducive to carrying; housing produced by the aluminum magnesium alloy adopting heat radiation good, is convenient to heat radiation.
Accompanying drawing explanation
Fig. 1 is tester complete machine schematic diagram;
Fig. 2 is tester front panel schematic diagram;
Fig. 3 is tester side plate schematic diagram;
Fig. 4 is voltage source circuit schematic diagram;
In figure, 1-light serial ports, 2-light net mouth, 3-housing, 4-first On-off signal port, 5-output switch parameter port, 6-the 2nd On-off signal port, the synchronous interface of 7-GPS, 8-Ethernet mouth, 9-USB interface, 10-power supply interface, 11-power switch, 12-signal output port, 13-pulse per second (PPS) output port, 14-electrostatic grounding port, 15-leg, Q1-first triode, Q2-the 2nd triode, Q3-the 3rd triode, Q4-the 4th triode, R1-first resistance, R2-the 2nd resistance, R3-the 3rd resistance, L1-first inductance, L2-the 2nd inductance, L3-the 3rd inductance, L4-the 4th inductance, C1-first electric capacity, C2-the 2nd electric capacity, C3-the 3rd electric capacity, C4-the 4th electric capacity, C5-the 5th electric capacity.
Embodiment
The technical scheme of the present invention is described in further detail below in conjunction with accompanying drawing, but protection scope of the present invention is not limited to the following stated.
As shown in Fig. 1 to Fig. 3, voltage source intelligent grid substation relay protection tester, it comprises housing 3 and inner circuit, the front panel of described housing 3 is provided with light serial ports 1, light net mouth 2 and the first On-off signal port 4, light serial ports 1 is 12 tunnels, is arranged on the top of front panel, and light net mouth 2 is the lower left side that 12 tunnels are arranged on light serial ports 1, first On-off signal port 4 is 4 right, is arranged on the right side of the bottom of light serial ports 1; The rear panel of housing 3 is provided with output switch parameter port 5, the 2nd On-off signal port 6, Ethernet mouth 8, power supply interface 10, power switch 11, USB interface 9 and electrostatic grounding port 14, output switch parameter port 5 is 8 right, it is arranged on the upper left quarter of rear panel, 2nd On-off signal port 6 is 4 right, being disposed side by side on output switch parameter port 5 bottom with Ethernet mouth 8, power supply interface 10, power switch 11, USB interface 9 and electrostatic grounding port 14 are arranged on the right portion of rear panel; The top panel of housing 3 is provided with 16 road signal output ports 12;
Described inside circuit comprises voltage source circuit, as shown in Figure 4, voltage source circuit comprises H bridge switch amplifier, and its 2nd triode Q2, the mid point of the 4th triode Q4 connect the first inductance L 1, go here and there the 2nd resistance R2 again, then connect the 3rd inductance L 3 and the first resistance R1 are to output terminal; First triode Q1 of H bridge switch amplifier, the mid point of the 3rd triode Q3 connect the 2nd inductance L 2, then go here and there the 3rd resistance R3, then the 3rd inductance L 3 of connecting is to the other end exported; First electric capacity C1 in parallel between the tie point of the 2nd resistance R2, the 3rd inductance L 3 and the tie point of the 3rd resistance R3, the 3rd inductance L 3; The output end points of the 2nd resistance R2, the 2nd inductance L 2 two electric capacity C2 in parallel with the output end points of the 3rd resistance R3, the 3rd inductance L 3; The tie point of the 2nd resistance R2 and the 3rd inductance L 3 meets the 4th electric capacity C4 to ground, the tie point of the 3rd resistance R3 and the 3rd inductance L 3 meets the 3rd electric capacity C3 to ground, 4th inductance L 4 and the 5th electric capacity C5 series connection are between two pin of the 3rd inductance L 3, and the input of H bridge amplifier is connected with external electrical source interface.
The lower section of described output switch parameter port 5 is also provided with the synchronous interface of GPS 7 and the synchronous interface 7 of pulse per second (PPS) output port 13, GPS and pulse per second (PPS) output port 13 and is all connected with inner circuit.
The corner, bottom of described housing 3 is provided with leg 15, and leg 15 is rubber feet.
The 3rd described inductance L 3 is four pin inductance; 2nd resistance R2 connects 1 pin of four pin inductance, and the 3rd resistance R3 connects 3 pin of four pin inductance; Between 2 pin that 4th inductance L 4 and the 5th electric capacity C5 are serially connected in four pin inductance and 4 pin.
Described housing 3 is the good aluminum magnesium alloy housing that dispels the heat.
Described USB interface 9 adopts USB3.0 as communications protocol.
The tester of the present invention is provided with abundant interface at the front panel of housing, rear panel and top panel, the needs of use can be met, meet multi-test scene demand, voltage source is adopted to power, effectively reduce the volume of existing voltage source, tester volume is reduced, weight saving, be more conducive to carrying.
Claims (6)
1. voltage source intelligent grid substation relay protection tester, it comprises housing (3) and inner circuit, it is characterized in that: the front panel of described housing (3) is provided with light serial ports (1), light net mouth (2) and the first On-off signal port (4), light serial ports (1) is 12 tunnels, it is arranged on the top of front panel, light net mouth (2) is the lower left side that 12 tunnels are arranged on light serial ports (1), and the first On-off signal port (4) is 4 right, is arranged on the right side of the bottom of light serial ports (1), the rear panel of housing (3) is provided with output switch parameter port (5), 2nd On-off signal port (6), Ethernet mouth (8), power supply interface (10), power switch (11), USB interface (9) and electrostatic grounding port (14), output switch parameter port (5) is 8 right, it is arranged on the upper left quarter of rear panel, 2nd On-off signal port (6) is 4 right, it is disposed side by side on output switch parameter port (5) bottom with Ethernet mouth (8), power supply interface (10), power switch (11), USB interface (9) and electrostatic grounding port (14) are arranged on the right portion of rear panel, the top panel of housing (3) is provided with 16 road signal output ports (12),
Described inside circuit comprises voltage source circuit, voltage source circuit comprises H bridge switch amplifier, its the 2nd triode (Q2), the mid point of the 4th triode (Q4) connect the first inductance (L1), go here and there the 2nd resistance (R2) again, then connect the 3rd inductance (L3) and the first resistance (R1) are to output terminal; First triode (Q1) of H bridge switch amplifier, the mid point of the 3rd triode (Q3) connect the 2nd inductance (L2), then go here and there the 3rd resistance (R3), then the 3rd inductance (L3) of connecting is to the other end exported; First electric capacity (C1) in parallel between the tie point of the 2nd resistance (R2), the 3rd inductance (L3) and the tie point of the 3rd resistance (R3), the 3rd inductance (L3); The output end points of the 2nd resistance (R2), the 2nd inductance (L2) two electric capacity (C2) in parallel with the output end points of the 3rd resistance (R3), the 3rd inductance (L3); 2nd resistance (R2) connects the 4th electric capacity (C4) to ground with the tie point of the 3rd inductance (L3), 3rd resistance (R3) connects the 3rd electric capacity (C3) to ground with the tie point of the 3rd inductance (L3), 4th inductance (L4) and the 5th electric capacity (C5) series connection are between two pin of the 3rd inductance (L3), and the input of H bridge amplifier is connected with external electrical source interface.
2. voltage source intelligent grid substation relay protection tester according to claim 1; it is characterized in that: the lower section of described output switch parameter port (5) is also provided with the synchronous interface of GPS (7) and pulse per second (PPS) output port (13), the synchronous interface of GPS (7) and pulse per second (PPS) output port (13) are all connected with inner circuit.
3. voltage source intelligent grid substation relay protection tester according to claim 1, it is characterised in that: the corner, bottom of described housing (3) is provided with leg (15), and leg (15) is rubber feet.
4. voltage source intelligent grid substation relay protection tester according to claim 1, it is characterised in that: the 3rd described inductance (L3) is four pin inductance; 2nd resistance (R2) connects 1 pin of four pin inductance, and the 3rd resistance (R3) connects 3 pin of four pin inductance; Between 2 pin that 4th inductance (L4) and the 5th electric capacity (C5) are serially connected in four pin inductance and 4 pin.
5. voltage source intelligent grid substation relay protection tester according to claim 1, it is characterised in that: described housing (3) is the good aluminum magnesium alloy housing that dispels the heat.
6. voltage source intelligent grid substation relay protection tester according to claim 1, it is characterised in that: described USB interface (9) adopts USB3.0 as communications protocol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610160281.6A CN105629115A (en) | 2016-03-21 | 2016-03-21 | Voltage source smart power grid substation relay protection tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610160281.6A CN105629115A (en) | 2016-03-21 | 2016-03-21 | Voltage source smart power grid substation relay protection tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105629115A true CN105629115A (en) | 2016-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610160281.6A Pending CN105629115A (en) | 2016-03-21 | 2016-03-21 | Voltage source smart power grid substation relay protection tester |
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| Country | Link |
|---|---|
| CN (1) | CN105629115A (en) |
Citations (8)
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|---|---|---|---|---|
| CN201466694U (en) * | 2009-05-22 | 2010-05-12 | 天津港保税区益诚电力设备有限公司 | Micro-relay protection automation measuring and control device based on composite structure of DSP and MCU |
| CN201854182U (en) * | 2010-10-21 | 2011-06-01 | 三泰电力技术（南京）有限公司 | Voltage source of relay protection test instrument |
| CN201993445U (en) * | 2011-01-25 | 2011-09-28 | 衡水供电公司 | Intelligent tester for switch trip logic time |
| CN203894351U (en) * | 2014-06-09 | 2014-10-22 | 武汉凯默电气有限公司 | Hand-held relay protection testing device for intelligent transformer station |
| CN204086887U (en) * | 2014-09-12 | 2015-01-07 | 杭州霍夫电力自动化设备有限公司 | The Microcomputer Protection with relay protection and switch cubicle controlling functions surveys aobvious device |
| CN204537575U (en) * | 2015-02-16 | 2015-08-05 | 合肥金永电气有限公司 | Portable relay protection analogue means |
| CN204649929U (en) * | 2015-06-09 | 2015-09-16 | 国网辽宁省电力有限公司营口供电公司 | Miniature relay protection brake switch tester |
| CN205539257U (en) * | 2016-03-21 | 2016-08-31 | 成都天进仪器有限公司 | Voltage source smart power grids transformer substation relay protection tester |
-
2016
- 2016-03-21 CN CN201610160281.6A patent/CN105629115A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201466694U (en) * | 2009-05-22 | 2010-05-12 | 天津港保税区益诚电力设备有限公司 | Micro-relay protection automation measuring and control device based on composite structure of DSP and MCU |
| CN201854182U (en) * | 2010-10-21 | 2011-06-01 | 三泰电力技术（南京）有限公司 | Voltage source of relay protection test instrument |
| CN201993445U (en) * | 2011-01-25 | 2011-09-28 | 衡水供电公司 | Intelligent tester for switch trip logic time |
| CN203894351U (en) * | 2014-06-09 | 2014-10-22 | 武汉凯默电气有限公司 | Hand-held relay protection testing device for intelligent transformer station |
| CN204086887U (en) * | 2014-09-12 | 2015-01-07 | 杭州霍夫电力自动化设备有限公司 | The Microcomputer Protection with relay protection and switch cubicle controlling functions surveys aobvious device |
| CN204537575U (en) * | 2015-02-16 | 2015-08-05 | 合肥金永电气有限公司 | Portable relay protection analogue means |
| CN204649929U (en) * | 2015-06-09 | 2015-09-16 | 国网辽宁省电力有限公司营口供电公司 | Miniature relay protection brake switch tester |
| CN205539257U (en) * | 2016-03-21 | 2016-08-31 | 成都天进仪器有限公司 | Voltage source smart power grids transformer substation relay protection tester |
Non-Patent Citations (1)
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| 成都天进仪器有限公司: "MF3000A光数字继电保护测试仪", 《HTTP://WWW.TESIENT.CN》 * |
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Application publication date: 20160601 |