CN205539257U - Voltage source smart power grids transformer substation relay protection tester - Google Patents
Voltage source smart power grids transformer substation relay protection tester Download PDFInfo
- Publication number
- CN205539257U CN205539257U CN201620216216.6U CN201620216216U CN205539257U CN 205539257 U CN205539257 U CN 205539257U CN 201620216216 U CN201620216216 U CN 201620216216U CN 205539257 U CN205539257 U CN 205539257U
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- inductance
- voltage source
- port
- resistance
- relay protection
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Abstract
The utility model discloses a voltage source smart power grids transformer substation relay protection tester, it includes casing and internal circuit, the front panel of casing on set up glazed serial ports, optical network mouth and a switching value input port, be provided with switch quantity output port, the 2nd switching value input port, ether net gape, power source, switch, USB interface and static electricity earth port on the rear panel of casing, be provided with 16 way signal output part mouths on the top panel of casing. This tester is provided with abundant interface at front panel, rear panel and the top panel of casing, can satisfy the needs of use, satisfies the scene demand of testing more, adopts the voltage source to supply power, effectively reduces the volume of current voltage source for the tester bulk reduction, the weight loss more is favorable to the transport, adopts the good almag production casing of heat dissipation, the heat dissipation of being convenient for.
Description
Technical field
This utility model 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 to carry out the long-range conveying of electric power, in order to reduce electric power damage in course of conveying, be typically with high pressure, EHV transmission technology carries out power transmission, need transformer station to rise high voltage in electric power output, need transformer station to reduce voltage in destination, so that substantial amounts of transformer station.During transformer substation construction, need to configure corresponding relay protection circuit or device, in order to understand the duty of protective relaying device, need protective relaying device is tested, now need to use relay-protection tester.But the port such as input and output of existing relay-protection tester is very little, it is difficult to meet actual demand.
One employing " Switching Power Supply+linear amplifier " pattern of voltage source in relay-protection tester device at present; this pattern has some superiority 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 operating point at different levels; it is unfavorable for producing in enormous quantities; if current source uses " Switching Power Supply+switching amplifier " pattern; then can improve efficiency to 75-90%; and one debugging being not required to complexity of switching amplifier can normally work, and is particularly suitable for large-scale production.But the design of switching amplifier output filter circuit is particularly significant, if the circuit of design and parameter arrange improper, can there is switching signal and electromagnetic interference signal in the outfan at amplifier, cause output waveform to be deteriorated.
Utility model content
The purpose of this utility model is 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; employing voltage source is powered, and effectively reduces the volume of existing voltage source so that tester volume reduces; weight saving, is more beneficial for carrying.
The purpose of this utility model is achieved through the following technical solutions: voltage source intelligent grid substation relay protection tester; it includes housing and internal circuit; light serial ports, light network interface and the first On-off signal port it is provided with on the front panel of described housing; light serial ports is 12 tunnels; it is arranged on the top of front panel; light network interface is the lower left side that 12 tunnels are arranged on 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；Output switch parameter port, second switch amount input port, Ethernet interface, power interface, on and off switch, USB interface and electrostatic grounding port it is provided with on the rear board of housing, output switch parameter port is 8 right, it is arranged on the upper left quarter of rear board, second switch amount input port is 4 right, being disposed side by side on output switch parameter port bottom with Ethernet interface, power interface, on and off switch, USB interface and electrostatic grounding port are arranged on the right part of rear board；16 road signal output ports it are provided with on the top panel of housing；
Described internal circuit includes that voltage source circuit, voltage source circuit include H bridge switch amplifier, and its second audion, the midpoint of the 4th audion connect the first inductance, then goes here and there the second resistance, then connect the 3rd inductance and the first resistance are to outfan；First audion of H bridge switch amplifier, the midpoint of the 3rd audion connect the second inductance, then go here and there the 3rd resistance, then the 3rd inductance of connecting is to the other end of output；Second resistance, the junction point of the 3rd inductance and the 3rd resistance, the 3rd inductance junction point between the first electric capacity in parallel；Second resistance, the exit point of the second inductance and the 3rd resistance, exit point second electric capacity in parallel of the 3rd inductance；The junction point of the second resistance and the 3rd inductance connects the 4th electric capacity to ground, the junction 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 the bipod of the 3rd inductance, and the input of H bridge amplifier is connected with external power source interface.
The lower section of described output switch parameter port is additionally provided with GPS sync cap and pulse per second (PPS) output port, GPS sync cap and pulse per second (PPS) output port and is all connected with internal circuit.
The corner, bottom of described housing is provided with leg, and leg is rubber feet.
The 3rd described inductance is four foot inductance；Second resistance connects 1 foot of four foot inductance, and the 3rd resistance connects 3 feet of four foot inductance；4th inductance and the 5th capacitance series are between 2 feet and 4 feet of four foot inductance.
Described housing is the almag housing that heat radiation is good.
Described USB interface uses USB3.0 as communications protocol.
The beneficial effects of the utility model are: this utility model provides a kind of voltage source intelligent grid substation relay protection tester; this tester is provided with abundant interface at front panel, rear board and the top panel of housing; disclosure satisfy that the needs of use, meet multi-test scene demand, use voltage source to be powered; effectively reduce the volume of existing voltage source; tester volume is reduced, weight saving, it is more beneficial for carrying; the almag using heat radiation good produces housing, it is simple 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 panel schematic diagram；
Fig. 4 is voltage source circuit schematic diagram；
nullIn figure，1-light serial ports，2-light network interface，3-housing，4-the first On-off signal port，5-output switch parameter port，6-second switch amount input port，7-GPS sync cap，8-Ethernet interface，9-USB interface，10-power interface，11-on and off switch，12-signal output port，13-pulse per second (PPS) output port，14-electrostatic grounding port，15-leg，Q1-the first audion，Q2-the second audion，Q3-the 3rd audion，Q4-the 4th audion，R1-the first resistance，R2-the second resistance，R3-the 3rd resistance，L1-the first inductance，L2-the second inductance，L3-the 3rd inductance，L4-the 4th inductance，C1-the first electric capacity，C2-the second electric capacity，C3-the 3rd electric capacity，C4-the 4th electric capacity，C5-the 5th electric capacity.
Detailed description of the invention
The technical solution of the utility model is described in further detail below in conjunction with the accompanying drawings, but protection domain of the present utility model is not limited to the following stated.
As shown in Fig. 1 to Fig. 3; voltage source intelligent grid substation relay protection tester; it includes housing 3 and internal circuit; light serial ports 1, light network interface 2 and the first On-off signal port 4 it is provided with on the front panel of described housing 3; light serial ports 1 is 12 tunnels, is arranged on the top of front panel, and light network interface 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；Output switch parameter port 5, second switch amount input port 6, Ethernet interface 8, power interface 10, on and off switch 11, USB interface 9 and electrostatic grounding port 14 it is provided with on the rear board of housing 3, output switch parameter port 5 is 8 right, it is arranged on the upper left quarter of rear board, second switch amount input port 6 is 4 right, being disposed side by side on output switch parameter port 5 bottom with Ethernet interface 8, power interface 10, on and off switch 11, USB interface 9 and electrostatic grounding port 14 are arranged on the right part of rear board；16 road signal output ports 12 it are provided with on the top panel of housing 3；
Described internal circuit includes voltage source circuit, as shown in Figure 4, voltage source circuit includes H bridge switch amplifier, and its second audion Q2, the midpoint of the 4th audion Q4 meet the first inductance L1, go here and there the second resistance R2 again, then the 3rd inductance L3 and the first resistance R1 that connects is to outfan；First audion Q1 of H bridge switch amplifier, the midpoint of the 3rd audion Q3 meet the second inductance L2, then go here and there the 3rd resistance R3, then the 3rd inductance L3 that connects is to the other end of output；Second resistance R2, the junction point of the 3rd inductance L3 and the 3rd resistance R3, the 3rd inductance L3 junction point between the first electric capacity C1 in parallel；Second resistance R2, the exit point of the second inductance L2 and the 3rd resistance R3, the exit point second electric capacity C2 in parallel of the 3rd inductance L3；The junction point of the second resistance R2 and the 3rd inductance L3 meets the 4th electric capacity C4 to ground, the junction point of the 3rd resistance R3 and the 3rd inductance L3 meets the 3rd electric capacity C3 to ground, 4th inductance L4 and the 5th electric capacity C5 series connection are between the bipod of the 3rd inductance L3, and the input of H bridge amplifier is connected with external power source interface.
The lower section of described output switch parameter port 5 is additionally provided with GPS sync cap 7 and pulse per second (PPS) output port 13, GPS sync cap 7 and pulse per second (PPS) output port 13 and is all connected with internal circuit.
The corner, bottom of described housing 3 is provided with leg 15, and leg 15 is rubber feet.
The 3rd described inductance L3 is four foot inductance；Second resistance R2 connects 1 foot of four foot inductance, and the 3rd resistance R3 connects 3 feet of four foot inductance；4th inductance L4 and the 5th electric capacity C5 is serially connected between 2 feet and 4 feet of four foot inductance.
Described housing 3 is the almag housing that heat radiation is good.
Described USB interface 9 uses USB3.0 as communications protocol.
Tester of the present utility model is provided with abundant interface at front panel, rear board and the top panel of housing, disclosure satisfy that the needs of use, meet multi-test scene demand, employing voltage source is powered, effectively reduce the volume of existing voltage source, tester volume is reduced, weight saving, it is more beneficial for carrying.
Claims (6)
1. voltage source intelligent grid substation relay protection tester; it includes housing (3) and internal circuit; it is characterized in that: on the front panel of described housing (3), be provided with light serial ports (1), light network interface (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 network interface (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)；Output switch parameter port (5) it is provided with on the rear board of housing (3), second switch amount input port (6), Ethernet interface (8), power interface (10), on and off 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 board, second switch amount input port (6) is 4 right, it is disposed side by side on output switch parameter port (5) bottom with Ethernet interface (8), power interface (10), on and off switch (11), USB interface (9) and electrostatic grounding port (14) are arranged on the right part of rear board；16 road signal output ports (12) it are provided with on the top panel of housing (3)；
Described internal circuit includes voltage source circuit, voltage source circuit includes H bridge switch amplifier, its the second audion (Q2), the midpoint of the 4th audion (Q4) connect the first inductance (L1), go here and there the second resistance (R2) again, then connect the 3rd inductance (L3) and the first resistance (R1) are to outfan；First audion (Q1) of H bridge switch amplifier, the midpoint of the 3rd audion (Q3) connect the second inductance (L2), then go here and there the 3rd resistance (R3), then the 3rd inductance (L3) of connecting is to the other end of output；Second resistance (R2), the junction point of the 3rd inductance (L3) and the 3rd resistance (R3), the 3rd inductance (L3) junction point between the first electric capacity (C1) in parallel；Second resistance (R2), the exit point of the second inductance (L2) and the 3rd resistance (R3), exit point second electric capacity (C2) in parallel of the 3rd inductance (L3)；Second resistance (R2) connects the 4th electric capacity (C4) to ground with the junction point of the 3rd inductance (L3), 3rd resistance (R3) connects the 3rd electric capacity (C3) to ground with the junction point of the 3rd inductance (L3), 4th inductance (L4) and the 5th electric capacity (C5) series connection are between the bipod of the 3rd inductance (L3), and the input of H bridge amplifier is connected with external power source interface.
Voltage source intelligent grid substation relay protection tester the most according to claim 1; it is characterized in that: the lower section of described output switch parameter port (5) is additionally provided with GPS sync cap (7) and pulse per second (PPS) output port (13), GPS sync cap (7) and pulse per second (PPS) output port (13) and is all connected with internal circuit.
Voltage source intelligent grid substation relay protection tester the most 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.
Voltage source intelligent grid substation relay protection tester the most according to claim 1, it is characterised in that: the 3rd described inductance (L3) is four foot inductance；Second resistance (R2) connects 1 foot of four foot inductance, and the 3rd resistance (R3) connects 3 feet of four foot inductance；4th inductance (L4) and the 5th electric capacity (C5) are serially connected between 2 feet and 4 feet of four foot inductance.
Voltage source intelligent grid substation relay protection tester the most according to claim 1, it is characterised in that: described housing (3) is the almag housing that heat radiation is good.
Voltage source intelligent grid substation relay protection tester the most according to claim 1, it is characterised in that: described USB interface (9) uses USB3.0 as communications protocol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620216216.6U CN205539257U (en) | 2016-03-21 | 2016-03-21 | Voltage source smart power grids transformer substation relay protection tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620216216.6U CN205539257U (en) | 2016-03-21 | 2016-03-21 | Voltage source smart power grids transformer substation relay protection tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205539257U true CN205539257U (en) | 2016-08-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620216216.6U Expired - Fee Related CN205539257U (en) | 2016-03-21 | 2016-03-21 | Voltage source smart power grids transformer substation relay protection tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205539257U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105629115A (en) * | 2016-03-21 | 2016-06-01 | 成都天进仪器有限公司 | Voltage source smart power grid substation relay protection tester |
-
2016
- 2016-03-21 CN CN201620216216.6U patent/CN205539257U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105629115A (en) * | 2016-03-21 | 2016-06-01 | 成都天进仪器有限公司 | Voltage source smart power grid substation relay protection tester |
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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: 20160831 Termination date: 20170321 |