CN205679694U - Current source intelligent grid substation relay protection tester - Google Patents
Current source intelligent grid substation relay protection tester Download PDFInfo
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- CN205679694U CN205679694U CN201620216999.8U CN201620216999U CN205679694U CN 205679694 U CN205679694 U CN 205679694U CN 201620216999 U CN201620216999 U CN 201620216999U CN 205679694 U CN205679694 U CN 205679694U
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Abstract
The utility model discloses a kind of current source intelligent grid substation relay protection tester; it includes housing and internal circuit; it is provided with light serial ports, light network interface and the first On-off signal port on the front panel of described housing; it is provided with output switch parameter port, second switch amount input port, Ethernet interface, power interface, power switch, radiator window and electrostatic grounding port on the rear board of housing, the top panel of housing is provided with 16 road signal output ports.This tester is provided with abundant interface at the front panel of housing, rear board and top panel, disclosure satisfy that the needs of use, meet multi-test scene demand, use current source to be powered, export more stable, effectively reduce the volume of existing voltage source simultaneously, 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.
Description
Technical field
The utility model relates to a kind of current 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, needs to carry out the long-range conveying of electric power, in order to subtract
Damage in course of conveying for the little electric power, it is common that use high pressure, EHV transmission technology to carry out electric power conveying, defeated at electric power
Need transformer station to rise high voltage with going out, need in destination transformer station to reduce voltage, so that substantial amounts of transformer station.In power transformation
Stand in process of construction, need to configure corresponding relay protection circuit or device, in order to understand the duty of protective relaying device,
Need to test protective relaying device, now need to use relay-protection tester.But existing relay protection test
The ports such as the input and output of instrument are very little, it is difficult to meet actual demand.
One employing " Switching Power Supply+linear amplifier " pattern of voltage source in current relay-protection tester device, this
Pattern has a 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, 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 switching amplifier one be not required to the debugging of complexity
Normal work, is particularly suitable for large-scale production.But the design of switching amplifier output filter circuit is particularly significant, if design
Circuit and parameter arrange improper, can there is switching signal and electromagnetic interference signal in the output at amplifier, cause output wave
Deformation difference.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of current source intelligent grid transformer station to continue
Electric protection tester, this tester has multiple interfaces, meets multi-test scene demand, uses current source to be powered, output
More stable, effectively reduce the volume of existing voltage source so that tester volume reduces, weight saving simultaneously, be more beneficial for carrying.
The purpose of this utility model is achieved through the following technical solutions: current source intelligent grid transformer station relay guarantor
Protecting tester, it includes housing and internal circuit, the front panel of described housing is provided with light serial ports, light network interface and first and opens
Input port is measured in pass, and light serial ports is 12 tunnels, is arranged on the top of front panel, and light network interface is the left side, bottom that 12 tunnels are arranged on light serial ports
Side, the first On-off signal port is 4 right, is arranged on the right side of the bottom of light serial ports；It is provided with switching value on the rear board of housing
Output port, second switch amount input port, Ethernet interface, power interface, power switch, radiator window and electrostatic grounding port,
Output switch parameter port is 8 right, is arranged on the upper left quarter of rear board, and second switch amount input port is 4 right, with Ethernet interface simultaneously
Row is arranged on output switch parameter port bottom, and power interface, power switch, radiator window and electrostatic grounding port are arranged on rear board
Right part；It is provided with 16 road signal output ports on the top panel of housing；
Described internal circuit includes current source circuit, and current source circuit includes H bridge switch amplifier, and H bridge switch is put
Second triode of big device, the midpoint of the 4th triode connect the first inductance, then the 3rd inductance of connecting is to output；H bridge switch is put
First triode of big device, the midpoint of the 3rd triode connect the second inductance, then the 4th inductance of connecting is to the other end exporting；First
Inductance, the tie point of the 3rd inductance and the second inductance, the 4th inductance tie point between the first electric capacity in parallel, the first inductance,
Output second electric capacity in parallel of the tie point of three inductance and the second inductance, the 4th inductance；First inductance and the company of the 3rd inductance
Contact connects the 4th electric capacity to the first resistance；The tie point of the second inductance and the 4th inductance connects the 3rd electric capacity to the first resistance, and first
The other end ground connection of resistance；The tie point of the 3rd inductance and the second electric capacity connects the 6th electric capacity, then connects the second resistance to ground；4th electricity
Sense connects the 5th electric capacity with the tie point of the second electric capacity, the common point of another termination the 6th electric capacity of the 5th electric capacity and the second resistance.
The lower section of described output switch parameter port is additionally provided with GPS sync cap and pulse per second (PPS) output port, and GPS synchronization connects
Mouth and pulse per second (PPS) output port are all connected with internal circuit.
The corner, bottom of described housing is provided with leg, and leg is rubber feet.
Described housing is the good almag housing that dispels the heat.
The beneficial effects of the utility model are: the utility model provides a kind of current source intelligent grid transformer station relay guarantor
Protecting tester, this tester is provided with abundant interface at the front panel of housing, rear board and top panel, disclosure satisfy that use
Need, meet multi-test scene demand, use current source to be powered, export more stable, effectively reduce existing voltage source simultaneously
Volume so that tester volume reduces, weight saving, is more beneficial for carrying, uses the good almag of heat radiation to produce shell
Body, just with heat radiation.
Brief description
Fig. 1 is tester complete machine schematic diagram；
Fig. 2 is tester front panel schematic diagram；
Fig. 3 is tester rear board schematic diagram；
Fig. 4 is current source circuit schematic diagram；
In 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-radiator window, 10-power interface, 11-power supply is opened
Close, 12-signal output port, 13-pulse per second (PPS) output port, 14-electrostatic grounding port, 15-leg, Q1-the first triode,
Q2-the second triode, Q3-the 3rd triode, Q4-the 4th triode, R1-the first resistance, R2-the second resistance, L1-the first electricity
Sense, 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, C6-the 6th 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
It is not limited to the following stated.
As shown in Figure 1 to Figure 3, current source intelligent grid substation relay protection tester, it includes housing 3 and inside electricity
Road, the front panel of described housing 3 is provided with light serial ports the 1st, light network interface 2 and the first On-off signal port 4, and light serial ports 1 is
12 tunnels, are 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, the first On-off signal end
Mouthfuls 4 is 4 right, is arranged on the right side of the bottom of light serial ports 1；It is provided with output switch parameter port on the rear board of housing 3 the 5th, second to open
Pass amount input port the 6th, Ethernet interface the 8th, power interface the 10th, power switch the 11st, radiator window 9 and electrostatic grounding port 14, switching value
Output port 5 is 8 right, is arranged on the upper left quarter of rear board, and second switch amount input port 6 is 4 right, with Ethernet interface 8 side by side
Being arranged on output switch parameter port 5 bottom, power interface the 10th, power switch the 11st, radiator window 9 and electrostatic grounding port 14 are arranged on
The right part of rear board；It is provided with 16 road signal output ports 12 on the top panel of housing 3；
Described internal circuit includes current source circuit, and current source circuit includes H bridge switch amplifier, as shown in Figure 4, H
Second triode Q2 of bridge switch amplifier, the midpoint of the 4th triode Q3 meet the first inductance L1, then connect the 3rd inductance L3 extremely
Output；First triode Q1 of H bridge switch amplifier, the midpoint of the 3rd triode Q3 meet the second inductance L2, then connect the 4th
Inductance L4 is to the other end exporting；First inductance L1, the tie point of the 3rd inductance L3 and the second inductance L2, the company of the 4th inductance L4
First electric capacity C1 in parallel between contact, the first inductance L1, the tie point of the 3rd inductance L3 and the second inductance L2, the 4th inductance L4
Output the second electric capacity C2 in parallel；The tie point of the first inductance L1 and the 3rd inductance L3 meets the 4th electric capacity C4 to first resistance R1；
The tie point of the second inductance L2 and the 4th inductance L4 meets the 3rd electric capacity C3 to first resistance R1, another termination of the first resistance R1
Ground；The tie point of the 3rd inductance L3 and the second electric capacity C2 meets the 6th electric capacity C6, then meets the second resistance R2 to ground；4th inductance L4 with
The tie point of the second electric capacity C2 meets the 5th electric capacity C5, and the 5th electric capacity C5 another termination the 6th electric capacity C6's and the second resistance R2 is public
Point.
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, and GPS is same
Step interface 7 and pulse per second (PPS) output port 13 are all connected with internal circuit.
The corner, bottom of described housing 3 is provided with leg 15, and leg 15 is rubber feet.
Described housing 3 is the good almag housing that dispels the heat.
Relay-protection tester of the present utility model is provided with abundant connecing at the front panel of housing, rear board and top panel
Mouthful, disclosure satisfy that the needs of use, meet multi-test scene demand, use current source to be powered, export more stable, have simultaneously
Effect reduces the volume of existing voltage source so that tester volume reduces, weight saving, is more beneficial for carrying, uses heat radiation good
Almag produce housing, just with heat radiation.
Claims (4)
1. current source intelligent grid substation relay protection tester, it includes housing (3) and internal circuit, it is characterised in that:
It is provided with light serial ports (1), light network interface (2) and the first On-off signal port (4), light string on the front panel of described housing (3)
Mouth (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)；It is provided with switch on the rear board of housing (3)
Measure output port (5), second switch amount input port (6), Ethernet interface (8), power interface (10), power switch (11), dissipate
Hot window (9) and electrostatic grounding port (14), output switch parameter port (5) is 8 right, is arranged on the upper left quarter of rear board, and second opens
Pass amount input port (6) is 4 right, is disposed side by side on output switch parameter port (5) bottom, power interface with Ethernet interface (8)
(10), power switch (11), radiator window (9) and electrostatic grounding port (14) are arranged on the right part of rear board；Above housing (3)
It is provided with 16 road signal output ports (12) on plate；
Described internal circuit includes current source circuit, and current source circuit includes H bridge switch amplifier, H bridge switch amplifier
The second triode (Q2), the midpoint of the 4th triode (Q3) connect the first inductance (L1), then the 3rd inductance (L3) of connecting is to output
End；First triode (Q1) of H bridge switch amplifier, the midpoint of the 3rd triode (Q3) connect the second inductance (L2), then connect
Four inductance (L4) are to the other end exporting；First inductance (L1), the tie point of the 3rd inductance (L3) and the second inductance (L2), the 4th
First electric capacity (C1) in parallel between the tie point of inductance (L4), the first inductance (L1), the tie point and second of the 3rd inductance (L3)
Inductance (L2), output second electric capacity (C2) in parallel of the 4th inductance (L4)；First inductance (L1) and the company of the 3rd inductance (L3)
Contact connects the 4th electric capacity (C4) to the first resistance (R1)；Second inductance (L2) connects the 3rd electric capacity with the tie point of the 4th inductance (L4)
(C3) to the first resistance (R1), the other end ground connection of the first resistance (R1)；3rd inductance (L3) and the connection of the second electric capacity (C2)
Point connects the 6th electric capacity (C6), then connects the second resistance (R2) to ground；The tie point of the 4th inductance (L4) and the second electric capacity (C2) connects the
Five electric capacity (C5), the common point of another termination the 6th electric capacity (C6) of the 5th electric capacity (C5) and the second resistance (R2).
2. current source intelligent grid substation relay protection tester according to claim 1, it is characterised in that: described
The lower section of 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) it is all connected with internal circuit with pulse per second (PPS) output port (13).
3. current source intelligent grid substation relay protection tester according to claim 1, it is characterised in that: described
The corner, bottom of housing (3) is provided with leg (15), and leg (15) is rubber feet.
4. current source intelligent grid substation relay protection tester according to claim 1, it is characterised in that: described
Housing (3) is the good almag housing that dispels the heat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620216999.8U CN205679694U (en) | 2016-03-21 | 2016-03-21 | Current source intelligent grid substation relay protection tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620216999.8U CN205679694U (en) | 2016-03-21 | 2016-03-21 | Current source intelligent grid substation relay protection tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205679694U true CN205679694U (en) | 2016-11-09 |
Family
ID=57438798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620216999.8U Expired - Fee Related CN205679694U (en) | 2016-03-21 | 2016-03-21 | Current source intelligent grid substation relay protection tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205679694U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105676036A (en) * | 2016-03-21 | 2016-06-15 | 成都天进仪器有限公司 | Current source smart grid transformer substation relay protection testing device |
-
2016
- 2016-03-21 CN CN201620216999.8U patent/CN205679694U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105676036A (en) * | 2016-03-21 | 2016-06-15 | 成都天进仪器有限公司 | Current source smart grid transformer substation relay protection testing device |
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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 |
Granted publication date: 20161109 Termination date: 20170321 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |