CN201589825U - Simulated lightning protection system - Google Patents
Simulated lightning protection system Download PDFInfo
- Publication number
- CN201589825U CN201589825U CN2009203189310U CN200920318931U CN201589825U CN 201589825 U CN201589825 U CN 201589825U CN 2009203189310 U CN2009203189310 U CN 2009203189310U CN 200920318931 U CN200920318931 U CN 200920318931U CN 201589825 U CN201589825 U CN 201589825U
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- lightning
- surge protector
- lightning protection
- circuit
- protection system
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Abstract
The utility model relates to a measuring device capable of simulating an actual lightning protection system, particularly to a simulated lightning protection system which mainly solves the problem in the prior art that the measurement method of the conventional lightning surge protector takes no account of the power-up and loading conditions of the lightning surge protector in the actual lightning protection system, as well as the mutual cooperation and interaction between SPDs. The simulated lightning protection system also solves the technical problem that the simulation methods of an electromagnetic transient program are rather complex to operate and unsuitable for being used in basic-level lightning protection centers and general lightning protection construction enterprises. The simulated lightning protection system comprises a cabinet, wherein a hybrid wave lightning surge generator is arranged on the cabinet, a three-stage lightning protection system is communicated with both the hybrid wave lightning surge generator and a load through circuits, and the hybrid wave lightning surge generator consists of a voltage regulation/boosting circuit, a high-voltage rectifying circuit, a high-voltage energy storage circuit, a high-voltage discharge switch or sphere gap, a wave shaping circuit and/or a coupling/decoupling network.
Description
Technical field
The utility model relates to a kind of measurement mechanism that can simulate actual lightning-protection system, especially relates to a kind of improvement to the lightning protection emulate system architecture.
Background technology
In modern lightning-protection system, adopt the multi-stage protection method, the lightning current of releasing step by step reduces superpotential step by step to harmless level; In multi-stage protection, not only require the performance of lightning surge protector (SPD) own to meet the demands, and inter-stage must realize that energy cooperates, keeps enough decoupling distances, the moment that guarantees to be struck by lightning starts step by step.
How to assess the quality of an electricity prevention system performance? detect in the assessment in lightning protection, subjective judgement is often not accurate enough by rule of thumb.Lightning-protection system of objective and accurate assessment how? need the instrument of a kind of energy measurement and the whole lightning-protection system of assessment.
Traditional SPD measuring method is separately SPD to be measured, and irrelevant with the lightning-protection system of reality, this method is the measuring method that isolates, and does not consider that SPD powers up and loading condition in the actual lightning-protection system, and working in coordination and interacting between the SPD.Might the independent measurement performance be good, in the system of reality, but not play one's part to the full, even as illusory.
Someone proposes to adopt electromagnetic transient state procedure (EMTP) emulation mode, as the ancillary works design of SPD in the lightning protection.This auxiliary design method will have quite high software level, and operation is quite complicated, is not suitable for basic unit lightning protection center and general lightening protection engineering company use.
The utility model content
The utility model technical issues that need to address provide a kind of lightning protection analogue system, it mainly is to solve the traditional lightning surge protector measuring method of existing in prior technology not consider that lightning surge protector powers up and loading condition in the actual lightning-protection system, and working in coordination and interactive problem between the SPD; The utility model has also solved the electromagnetic transient state procedure emulation mode will quite high software level, and operation is quite complicated, is not suitable for the technical matters that basic unit lightning protection center and general lightening protection engineering company use etc.
Above-mentioned technical matters of the present utility model is mainly solved by following technical proposals:
Lightning protection analogue system of the present utility model, comprise rack, it is characterized in that described rack is provided with mixing ripple lightning surge generator, mix ripple lightning surge generator and be communicated with three grades of lightning-protection systems by circuit, three grades of lightning-protection systems are communicated with load by circuit, mix ripple lightning surge generator by pressure regulation/booster circuit, high-voltage rectifier, high pressure accumulator, high-voltage discharging switch or ball crack, waveform forms circuit and coupling/decoupling network is formed.The dash current amplitude of mixing ripple lightning surge generator is 3kA or 5kA or 10kA, can be selected by the user, can produce the 1.2/50 Ren ﹠amp that meets GB/T17626.5-1999 (IEC61000-4-5:1995) [3] standard-required; 8/20 front of a garment mixing ripple.Pressure regulation/booster circuit boosts to required high pressure to 220 volts of alternating currents of input, supplies with high-voltage rectifier; High-voltage rectifier becomes required high pressure to the ac high-voltage rectification of being sent here by booster circuit, delivers to the high pressure energy-storage capacitor and stores; High-voltage discharging switch is by the automatically controlled switch moment closure that makes, and high-energy moment of storing on the impulse capacitor forms circuit discharging to waveform, forms required surge waveform; Waveform forms circuit to be made up of high-voltage pulse capacitor, wave head noninductive resistance assembly, wave rear noninductive resistance assembly and harmonic Inductive component etc., and can it be produce the 1.2/50 Ren ﹠amp that meets GB/T17626.5-1999 (IEC61000-4-5:1995) standard-required; The key of 8/20 front of a garment mixing ripple.Coupling/decoupling network is made up of coupling mechanism and decoupling device, and coupling mechanism is a jumbo discharge tube, by it the high-energy surge is coupled to being subjected to examination equipment, blocks 220 volts of interchanges and enters instrument, in order to avoid damage the circuit in the instrument.Decoupling network adopts inverse filtering, and measures such as surge absorbing, isolation are given tested device 220 volts of alternating voltages on the one hand, stops surge current to disturb civil power on the other hand.
As preferably; described three grades of lightning-protection systems are made up of the decoupling lumped inductance of B level surge protector, C level surge protector, D level surge protector and inter-stage; B level surge protector is made up of clearance type or votage limit type surge protector, and C, D level surge protector are made up of the votage limit type surge protector.The surge protector of installing with scene operation or preparation is that SPD inserts in this analogue system; use the decoupling lumped inductance; the connection lead that replaces inter-stage by 1 Yu/m; form B, C, three grades of lightning-protection systems of D; can be with notebook computer as load; the lightning-protection system that emulation (simulation) is actual; is surge protector that SPD is placed on and adds in civil power and the load-carrying actual working environment; with the mixing ripple lightning surge generator that simulates thunder and lightning; system is carried out surge impact; measure electric current at different levels and distribute and residual voltage, thus the lightning protection effect of assessment total system.
As preferably, described rack is provided with guide rail, and B level surge protector, C level surge protector, D level surge protector, decoupling lumped inductance all are installed on the guide rail.Like this can be so that surge protector, decoupling lumped inductance can both be adjusted the position on guide rail.Can connect ground by ground connection row on the rack.
As preferably, described waveform forms circuit and is connected with voltage waveform pick-up unit, current waveform pick-up unit, peak sampling hold circuit, and peak sampling hold circuit is connected with the zero clearing lock-in circuit.The first half of rack can be equipped with the surge magnitudes table that shows the surge amplitude, the residual voltage table that shows every grade residual voltage amplitude, digital oscilloscope, binary channels, bandwidth 60MHz sampling rate 1GS/s (outsourcing), observation electric current and residual voltage waveform.Digital oscilloscope can be connected with PC, record, printing, storage measurement result.
Therefore, the utlity model has by emulation and carry out matching design at different levels, make system performance reach best, use the composite wave of simulation thunder and lightning by the lightning-protection system of native system artificial actual, detect actual lightning protection effect, check the rationality of cooperations at different levels, by coupling/decoupling network, under situations about powering up at different levels, carry out surge impact, detect electric current and residual voltage at different levels, better authenticity can reflect the actual working environment of SPD, realize the on-line testing of real meaning, characteristics such as simple and reasonable for structure.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the present utility model;
Accompanying drawing 2 is line principle synoptic diagram of lightning protection analogue system.
Parts, position and numbering among the figure: rack 1, mixing ripple lightning surge generator 2, load 3, coupling/decoupling network 4, B level surge protector 5, C level surge protector 6, D level surge protector 7, decoupling lumped inductance 8.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: the lightning protection analogue system that this is routine, as Fig. 1, Fig. 2, a rack 1 is arranged, rack 1 is provided with and mixes ripple lightning surge generator 2, mix ripple lightning surge generator and be communicated with three grades of lightning-protection systems by circuit, three grades of lightning-protection systems are communicated with load 3 by circuit, and mixing ripple lightning surge generator forms circuit by pressure regulation/booster circuit, high-voltage rectifier, high pressure accumulator, high-voltage discharging switch or ball crack, waveform and coupling/decoupling network 4 is formed.Pressure regulation/booster circuit is located in pressure regulator, the step-up transformer, high-voltage rectifier is realized by rectification silicon stack and current-limiting resistance, the high pressure accumulator is located in the high pressure energy-storing device, waveform forms circuit and is connected with voltage waveform pick-up unit, current waveform pick-up unit, peak sampling hold circuit, and peak sampling hold circuit is connected with the zero clearing lock-in circuit.Three grades of lightning-protection systems are made up of the decoupling lumped inductance 8 of B level surge protector 5, C level surge protector 6, D level surge protector 7 and inter-stage, and B level surge protector 5, C level surge protector 6, D level surge protector 7, decoupling lumped inductance 8 all are installed on the guide rail of rack.B level surge protector is made up of the clearance type surge protector, and C, D level surge protector are made up of the votage limit type surge protector.
The B level surge protector of installing with on-the-spot operation or preparation during use 5; C level surge protector 6; D level surge protector 7 inserts in this analogue system; with decoupling lumped inductance 8; the connection lead that replaces inter-stage by 1 Yu/m; form B; C; three grades of lightning-protection systems of D; utilize with notebook computer as load; the lightning-protection system that emulation (simulation) is actual; B level surge protector 5; C level surge protector 6; D level surge protector 7 is placed on and adds in civil power and the load-carrying actual working environment; with the mixing ripple lightning surge generator 2 that simulates thunder and lightning; system is carried out surge impact, measure electric current at different levels and distribute and residual voltage.
Claims (4)
1. lightning protection analogue system, comprise rack (1), it is characterized in that described rack (1) is provided with mixing ripple lightning surge generator (2), mix ripple lightning surge generator and be communicated with three grades of lightning-protection systems by circuit, three grades of lightning-protection systems are communicated with load (3) by circuit, and mixing ripple lightning surge generator forms circuit by pressure regulation/booster circuit, high-voltage rectifier, high pressure accumulator, high-voltage discharging switch or ball crack, waveform and coupling/decoupling network (4) is formed.
2. lightning protection analogue system according to claim 1; it is characterized in that described three grades of lightning-protection systems are made up of the decoupling lumped inductance (8) of B level surge protector (5), C level surge protector (6), D level surge protector (7) and inter-stage; B level surge protector is made up of clearance type or votage limit type surge protector, and C, D level surge protector are made up of the votage limit type surge protector.
3. lightning protection analogue system according to claim 2; it is characterized in that described rack (1) is provided with guide rail, B level surge protector (5), C level surge protector (6), D level surge protector (7), decoupling lumped inductance (8) all are installed on the guide rail.
4. according to claim 1 or 2 or 3 described lightning protection analogue systems, it is characterized in that described waveform forms circuit and is connected with voltage waveform pick-up unit, current waveform pick-up unit, peak sampling hold circuit, peak sampling hold circuit is connected with the zero clearing lock-in circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203189310U CN201589825U (en) | 2009-12-30 | 2009-12-30 | Simulated lightning protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203189310U CN201589825U (en) | 2009-12-30 | 2009-12-30 | Simulated lightning protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201589825U true CN201589825U (en) | 2010-09-22 |
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ID=42749612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203189310U Expired - Fee Related CN201589825U (en) | 2009-12-30 | 2009-12-30 | Simulated lightning protection system |
Country Status (1)
| Country | Link |
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| CN (1) | CN201589825U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103996334A (en) * | 2014-05-27 | 2014-08-20 | 西安西元电子科技有限公司 | Showing and practical training device for network engineering electric lightning prevention |
| CN104716862A (en) * | 2013-12-13 | 2015-06-17 | 上海普锐马电子有限公司 | High-precision low-current lightning surge generator |
| CN106707055A (en) * | 2016-11-23 | 2017-05-24 | 北京电子工程总体研究所 | GTEM-based antenna lightning surge coupling test method |
-
2009
- 2009-12-30 CN CN2009203189310U patent/CN201589825U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104716862A (en) * | 2013-12-13 | 2015-06-17 | 上海普锐马电子有限公司 | High-precision low-current lightning surge generator |
| CN103996334A (en) * | 2014-05-27 | 2014-08-20 | 西安西元电子科技有限公司 | Showing and practical training device for network engineering electric lightning prevention |
| CN106707055A (en) * | 2016-11-23 | 2017-05-24 | 北京电子工程总体研究所 | GTEM-based antenna lightning surge coupling test method |
| CN106707055B (en) * | 2016-11-23 | 2019-02-22 | 北京电子工程总体研究所 | A kind of antenna lightning surge coupling test method based on GTEM |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100922 Termination date: 20111230 |