CN102142678A - Surge energy conversion circuit - Google Patents
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- CN102142678A CN102142678A CN2010101112398A CN201010111239A CN102142678A CN 102142678 A CN102142678 A CN 102142678A CN 2010101112398 A CN2010101112398 A CN 2010101112398A CN 201010111239 A CN201010111239 A CN 201010111239A CN 102142678 A CN102142678 A CN 102142678A
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 66
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- 238000005859 coupling reaction Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 8
- 230000001052 transient effect Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 230000036039 immunity Effects 0.000 abstract description 4
- 239000003990 capacitor Substances 0.000 abstract 1
- 238000013461 design Methods 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000008034 disappearance Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
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- 238000012360 testing method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
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- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000035515 penetration Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a surge energy conversion circuit which mainly comprises surge protection devices (SPD), a gas tube, an inductance and a capacitor, is used for greatly reducing surge energy flowing into electrical equipment and is capable of reducing the residual voltage of surges and converting the surge energy in a voltage form to overlap the converted surge energy on a work power supply so as to result in micro rise of a voltage peak; and after several 10mS, the surge energy is converted completely and the work power supply restores to a normal voltage value. Accordingly, the surge can be promoted to prolong the lifetime of the SPD, and the surge interference immunity of the electrical equipment is enhanced so that the electric equipment can still work normally under a surge interference condition.
Description
Technical field
Surging power conversion circuits of the present invention; be to belong to surging to suppress the technical field category, the circuit that You Zhiqi forms not only can absorb surging, also can be further with the surging energy with the voltage modality conversion; for electric equipment, network telecommunication apparatus, can bring into play perfect protection effect.
Background technology
Vulnerability disturbs surging (vulnerability interference surge) to have the characteristic of macro-energy, is one of main surging interference source; Conductibility lightning thunderbolt surging (lightning flash surge) is typical case's representative.In actual environment, when disturbing surging disposal ability deficiency or method inappropriate to vulnerability, electric equipment inevitable often fault or misoperation (malfunction).
But existing processing method for the surging energy often adopts the surging protection component, for example metal oxide varistor (metal oxide varistor, MOV), cooperate extremely low impedance ground in response to.But in fact, the method or technology can't effectively be handled for the surging energy, cause the surging energy still to flow into electric equipment, cause the hardware fault that is hit, and cause considerable damage.
So, the present invention is directed to the simple at present surging protection component that adopts, can't prevent making the disappearance that the surging energy flows into electric equipment, do one and improve the Xie Zhidao that determines that overcomes; And then research and develop a kind of surging power conversion circuits; special design by precision planning; make its circuit except absorbing protection for surging; also can further surging be absorbed and carry out power conversion; flow into the surging energy of electric equipment with effective reduction; with the remaining voltage of reduction surging, can reach the protection effect of essence for electric equipment, network telecommunication apparatus, promptly strengthen the surging immunity of electric equipment, network telecommunication apparatus.
Summary of the invention
Main purpose of the present invention provides a kind of surging power conversion circuits, and the circuit of its composition not only can absorb surging, also can be further with the surging energy with the voltage modality conversion, for electric equipment, network telecommunication apparatus, can bring into play perfect protection effect.
In order to achieve the above object, a kind of surging power conversion circuits that the present invention is set mainly comprises:
One surging absorptive unit links to each other with input and surging energy conversion unit, is made of a plurality of surging protection component SPD, in order to absorb the surging energy of certain ratio;
One surging energy conversion unit, charging and discharging control unit with surging absorptive unit and surging energy links to each other, constituted by at least two parallel electric inductance, temporary for all the other surging energy that exceed certain ratio, and the surging power conversion become the voltage form, wherein the percentage of the surging power conversion surging total amount that equals to enter deducts the percentage of surging surging that absorptive unit absorbs;
One surging energy charges and discharge control unit, links to each other with surging energy conversion unit and output, is made of at least one electric capacity, the voltage of surging power conversion is charged and discharged control, wherein with selected electric capacity specification size, and determine it to charge and discharge the length in control time, and;
One equipotential ground unit links to each other with aforementioned each unit, input, output and ground wire, is made of a plurality of surging protection component SPD, makes circuit can create the equipotential effect for the surging by the ground wire coupling;
Make the circuit of composition can reach following functional effect and advantage:
1. with surging protection component, inductance and electric capacity forming circuit.In order to reduce the remaining voltage of surging, the surging energy with the voltage modality conversion, is overlapped on the working power, operating voltage is increased a little; Method promotes the surging protection component SPD life-span and strengthens electric equipment surging immunocompetence thus.
2. can increase surging protection component SPD, gas discharge tube (gas Tube) serial connection and place input, make the present invention become two rank surgings and suppress structures, promote surging and suppress effect.
3. the surging power conversion circuits can be set as two ports (two port), Yi Bian be power supply or signal input end, the another side output then is electric or signal equipment protection end, with series system protection electric equipment, network telecommunication apparatus.
4. supply externally to link to each other with power supply or signal wiring with power supply or signal input end, output is for linking to each other with electric equipment, network telecommunication apparatus; Thus, can be with the surging power conversion circuits, be located at external connection and electric equipment, network telecommunication apparatus with series system, and form the protection effect of surging power conversion mode, can reach the surging immunity that essence promotes electric equipment, network telecommunication apparatus.
The more important thing is application the present invention, not only can also can calculate amplitude and duration that operating voltage rises with the surging energy with the voltage modality conversion; And can make according to customized requirement and meet required product,, prevent that effectively surging from disturbing, and makes electric equipment keep normal operation so the present invention can be widely used in all kinds of electric equipments and network communication equipment.
Description of drawings
Fig. 1 is a calcspar of the present invention;
Fig. 2 is a circuit diagram of the present invention;
Fig. 3 is norm coupling resolution chart of the present invention;
Fig. 4 is the present invention's common mode coupling resolution chart over the ground;
Fig. 5 constitutes the embodiment of multistage circuit with several single-order circuit for the present invention;
Fig. 6 A, Fig. 6 B make the embodiment of different circuit modules for the present invention;
Fig. 7 A, Fig. 7 B have the embodiment of capsule module for the present invention makes;
Fig. 8 makes the embodiment that the Y type connects altogether for the present invention gathers three modules;
Fig. 9 makes the embodiment that the Δ type connects altogether for the present invention gathers three modules.
Description of reference numerals: 1-surging absorptive unit; 10-surging power conversion circuits; 11-surging protection component; The 12-input; 2-surging energy conversion unit; The 21-inductance; 3-surging energy charges and discharge control unit; 31-electric capacity; The 34-output; 4-electrical grounding unit; 41-surging protection component; 51-surging protection component; The 52-gas discharge tube; The 100-module; C1, C2, C3, C4-contact.
Embodiment
Your juror is convenient to understand other features of the present invention and advantage in order to make, and the effect of being reached can more manifest, and with conjunction with figs. of the present invention, is described in detail as follows now:
As shown in Figure 1, 2, a kind of surging power conversion circuits 10 that the present invention is set mainly comprises:
One surging absorptive unit 1 links to each other with input 12 and surging energy conversion unit 2, is made of a plurality of SPD surging protection component 11, in order to absorb the surging energy of certain ratio; (in addition, in explanation,,, give Chen Ming earlier with the place ahead that relevant SPD all moves to surging protection component 11 for making things convenient for label to reach under meaning of word situation.)
One surging energy conversion unit 2, charging and discharging control unit 3 with surging absorptive unit 1 and surging energy links to each other, constituted by at least two parallel electric inductance 21, temporary for all the other surging energy that exceed certain ratio, and the surging power conversion become the voltage form, wherein the percentage of the surging power conversion surging total amount that equals to enter deducts the percentage of surging that surging absorptive unit 1 absorbs;
One surging energy charges and discharge control unit 3, links to each other with surging energy conversion unit 2 and output 34, is made of at least one electric capacity 31, the voltage of surging power conversion is charged and discharged control, wherein with selected electric capacity 31 specification sizes, and determine it to charge and discharge the length in control time, and;
One equipotential ground unit 4, charging and discharging control unit 3, input 12, output 34 and ground wire with aforementioned surging absorptive unit 1, surging energy conversion unit 2, surging energy links to each other, constituted by a plurality of SPD surging protection component 41, make circuit can create the equipotential effect for surging by the ground wire coupling;
Please join shown in Fig. 1,2, during enforcement, described surging power conversion circuits 10 can be made as two ports (twoPort) structure, Yi Bian be that input 12 is to connect power supply or signal line, Yi Bian be 34 protection ends as electric or network telecommunication apparatus of output.
Its surging power conversion circuits 10 thin portions planning can further include:
One aforementioned two port inputs 12;
One aforementioned two port outputs 34;
Two aforementioned parallel electric inductance 21, string is located between input 12 and the output 34;
One aforementioned electric capacity 31, serial connection is located on the output 34, and is connected after two parallel electric inductance 21;
One aforementioned surging absorptive unit 1, have two SPD surging protection components 11 altogether, be the rear and front end that the configuration of reporting to the leadship after accomplishing a task is connected in two parallel electric inductance 21, and at two parallel electric inductance 21 front and back formation four contact C1, C2, C3, C4, with the label of aforementioned input 12 of correspondence and output 34, make things convenient for the back explanation to introduce;
One aforementioned electrical grounding unit 4 has four SPD surging protection components 41 of same size, and configuration is connected between rear and front end four contact C1, C2, C3, C4 and ground wires of two parallel electric inductance 21 respectively;
In addition, during enforcement, also can further on input 12, be connected in series a SPD surging protection component 51, reach a gas discharge tube 52 (gas Tube), suppress structures, promote surging and suppress effect to constitute two rank surgings.
Thus; surging power conversion circuits 10 can be located between external connection and network telecommunication apparatus or the electric equipment with series system, and form surging power conversion protection effect; reach the surging energy that essence reduce to flow into electric equipment, make it can keep normal operation and increase the service life.Promote surging protection component SPD11,41,51 life-spans and strengthen electric equipment surging immunocompetence, make it under the surging interference environment, still can keep normal operation.
Below will be further introduce in detail, how the present invention calculates the surging energy with the voltage modality conversion, amplitude and duration that operating voltage is risen, and can reach to make with the visitor and require to make the method that accords with in the functional need product.
As shown in Figure 2; surging power conversion circuits 10 of the present invention; be with SPD surging protection component 11,41,51; and gas discharge tube 52, inductance 21 and electric capacity 31 constitute; flow into the surging power conversion of electric equipment; and the inhibition effect that produces, available the following stated mathematical formulae is obtained an explanation rationally.
The inventive method mathematical theory is deduced, and employed SPD surging protection component 11,41,51 can design different surging clamping voltage V according to customer requirement
Clamping(clamping voltage); The clamping voltage height remaining electric current I of SPD surging protection component 11 surgings of then flowing through
r(residual current) is low, the low remaining electric current height of SPD surging protection component 11 surgings of then flowing through of clamping voltage; The remaining current value of surging protection component surging that the inventive method mathematical theory is deduced to flow into contact C1, C4 is set at k, and flowing into the remaining current value of inductance 21 surgings then is 1-k, and the k value is narrated as design architecture between 0.1-0.9;
1. please join shown in Fig. 2,3, when power input 12, apply under operating voltage (operating voltage) situation, the vulnerability surging is entered by input 12, forms surging norm coupling (normal modecoupling):
Is V in surging power conversion circuits 10 as the voltage of the output 34 of electric equipment protection
34, two inductance 21 stored energy are E
L, inductance 21 both end voltage are V
L, when burst current was flowed through inductance 21, moment, stored energy was E
(Δ L), moment inductance 21 both end voltage be V
(Δ L), then as can be known
E
(ΔL)＝2×(1/2)×L(I
L)
2＝L[(1-k)×I
r]
2
V
(ΔL)＝L(dI
L/dt)＝(1-k)×L(dI
r/dt)
Surging as the output 34 of electric equipment protection suppresses voltage V
s(suppressing voltage) then is
V
s＝V
clamping-V
(ΔL)
=V
Clamping-(1-k) * L (dI
r/ dt) formula (1)
The k value is between 0.1-0.9
By formula (1) as can be known, the size of L inductance 21 suppresses voltage V with the surging of protection output 34
sThe relation of being inversely proportional to, L inductance 21 greatly then surging suppress voltage V
sLittle, L inductance 21 little then surgings suppress voltage V
sIncrease; So change the size of L inductance 21, just can clearly remove to control surging and suppress voltage V
sSize, its method has more the inhibition effect of clear and definite essence than the anti-system of tradition surge voltage mode.
After the surging residual flow passed through, moment, stored energy was E
(Δ L)Beginning releases energy to the SPD surging protection component 11 of electric capacity 31 with contact C3, C2; Promptly have the remaining electric current of surging of k composition to flow into the surging protection component 11 of contact C3, C2 again, finally the remaining electric current of all the other 1-2k surgings then flows into electric capacity 31, and the voltage increment of protection output 34 is V
(Δ 34)
V
(Δ 34)=(1/c) ∫ (1-2k) I
rDt formula (2)
The k value is between 0.1-0.9
By formula (2) as can be known, as the voltage increment V of the output 34 of electric equipment protection
(Δ 34)With electric capacity 31 relation of being inversely proportional to, greatly then protect the voltage increment V of output 34 when capacitance
(Δ 34)Low; Otherwise as the little then voltage increment of capacitance V
(Δ 34)High.
Wherein said inductance 21 is a supply frequency with the frequency that electric capacity 31 constitutes, so after residual flow passes through, and promotes as the moment total voltage of the output 34 of electric equipment protection to be V
T
V
T＝V
34+V
(Δ34)
The electric capacity 31 of output 34, moment, stored moment gross energy was E
c
t
0-t
1Be remaining electric current I
rThe duration of waveform
CV
(Δ34)＝(1-2k)(I
r×t)
Voltage increment V
(Δ 34)Duration is t
By formula (3) as can be known, as the voltage increment V of the output 34 of electric equipment protection
(Δ 34)Duration length and electric capacity 31 are proportional; As the capacitance of electric capacity 31 V greatly then
(Δ 34)Longer duration is as the little then V of capacitance
(Δ 34)Duration is short.
The relation of aggregative formula (1), (2), (3), the surging of surging power conversion circuits 10 its protection outputs 34 suppresses voltage V as can be known
s, design inductance value and capacitance and output 34 voltage increment V
(Δ 34)Low, duration t is long, or voltage increment V
(Δ 34)Height, duration t is short etc., all can promote electric equipment surging immunocompetence by effective accurate planning and designing to meet the actual requirement of visitor's various differences of system.
Please join Fig. 3, be surging power conversion circuits 10 reality of the present invention (coupling of L-N norm) resolution charts, in power input 12, apply the working volts alternating current of 110V, and with 10kV, 1.2/50 μ S, 5k A, 8/20 μ S, compound surging (bi_wave surge) are by power input 12 couplings, the operating voltage peak value of its protection output 34 of test result rises to 154V by 145V, and increment rate is 6.2%, (154V-145V)/and 145V; Continue to return to 145V behind the 58mSec (3.5 cycle), (annotate: the voltage attenuation multiplying power of Fig. 3 is 100 times), obvious the present invention has quite good surging power conversion really and suppresses effect.
In addition, because of there being many nonlinear loads in the actual environment, the power supply wave shape distortion that causes also can be by surging power conversion circuits 10 of the present invention in figure, and its inductance 21 constitutes supply frequency with electric capacity 31, passes through back voltage increment V at the surging residual flow
(Δ 34)In duration, the phenomenon with the power supply wave shape distortion gives to improve fully in the lump.
2. please join Fig. 2,4, when power input 12, apply operating voltage (operating voltage), vulnerability is entered over the ground by input 12, forms surging common mode coupling (common mode cupling):
Four SPD surging protection components, 41 its transient voltage increments that wherein are connected between four contact C1, C2, C3, C4 and the ground wires are respectively V
(Δ 1G), V
(Δ 2G), V
(Δ 3G), V
(Δ 4G)When burst current passed through, the moment total voltage of protection output 34 was V
C
V
C=V
34+ (V
(Δ 1G)-V
(Δ 2G))+(V
(Δ 3G)-V
(Δ 4G)) formula (4)
Because set four surging protection components 41 are identical specification, so V
(Δ 1G)=V
(Δ 2G), V
(Δ 3G)=V
(Δ 4G), described four SPD surging protection components 41 are to carry out remaining voltage to support mutually; So protection output 34 can be kept the equipotential effect, to suppress the invasion of common mode coupling (common mode coupling) surging.
Please join shown in Figure 4, be surging power conversion circuits 10 reality of the present invention (L, the N-G common mode coupling) resolution charts that are coupled over the ground, in power input 12, apply the working volts alternating current of 220V, and with 10kV, 1.2/50 μ S, 5k A, 8/20 μ S, compound surging are coupled over the ground by power input 12, the operating voltage peak value of its protection output 34 of test result rises to 308V by 291V, and increment rate is 5.8%, (308V-291V)/and 291V; Continue 25mS, return to 291V after (1.5 cycle), (annotate: the voltage attenuation multiplying power of Fig. 4 is 100 times; Electric current and voltage output are converted to 1V/100A), obvious electrical grounding design of the present invention has quite good surging really and suppresses effect.
And; the most estimable is shown in above-mentioned Fig. 3 or 4; surging power conversion circuits 10 of the present invention; it produces the effect that suppresses surging; all can know and know by inference by aforementioned formula (1), (2), (3), (4); so face upward system for protected electric equipment surging immunity lifting with penetration power, the compound system effect of being reached of facing upward can be done a clearly explanation, and can effectively improve the disappearance of conventional method.
Therefore can supply applied in reverse; can deduce and reach the requirement of making custom-made with the visitor easily by formula (1), (2), (3), (4); according to different operating voltages such as electric equipment, communications facility (comprising AC and DC) and operating current demand; learn through simple the conversion; the corresponding SPD surging protection component 11 that will use, inductance 21 and electric capacity 31 value specification sizes thereof, and produce the product that accords with in functional need.
In addition, please join shown in Figure 2, surging power conversion circuits 10 of the present invention not only can constitute the single-order circuit, also can constitute multistage circuit with several single-order circuit as Fig. 5, or shown in Fig. 6 A, Fig. 6 B, 7A, Fig. 7 B, make various module 100 products according to general requirment is actual, more can be to need actual asking shown in Fig. 8,9 according to the client, the Y type of gathering three modules, 100 manufacturing inputs 12 and output 34 connects altogether with the Δ type and is connected into the three-phase product altogether, makes range of application more polynary extensively.
More than explanation is just illustrative for the purpose of the present invention, and nonrestrictive, those of ordinary skills understand; under the situation of the spirit and scope that do not break away from following claims and limited, can make many modifications, change; or equivalence, but all will fall within the scope of protection of the present invention.
Claims (12)
1. a surging power conversion circuits is characterized in that, comprising: a surging absorptive unit, a surging energy conversion unit, a surging energy charge and discharge control unit, and an equipotential ground unit constitute, wherein;
Described surging absorptive unit links to each other with input and described surging energy conversion unit, is made of a plurality of surging protection components, in order to absorb the surging energy of certain ratio;
Described surging energy conversion unit, charging and discharging control unit with described surging absorptive unit and described surging energy links to each other, constituted by at least two parallel electric inductance, temporary for all the other surging energy that exceed certain ratio, and the surging power conversion become the voltage form, wherein the percentage of the surging power conversion surging total amount that equals to enter deducts the percentage of surging surging that absorptive unit absorbs;
Described surging energy charges and discharge control unit, links to each other with described surging energy conversion unit and output, is made of at least one electric capacity, the voltage of surging power conversion is charged and discharged control, wherein with selected electric capacity specification size, and determine it to charge and discharge the length in control time, and;
Described electrical grounding unit links to each other with aforementioned each unit, input, output and ground wire, is made of a plurality of surging protection components, makes circuit can create the equipotential effect for the surging by the ground wire coupling;
Thus, the circuit series connection that makes composition can significantly reduce the surging energy of inflow in the path of surging process, reduces the remaining voltage of surging, and the surging energy is changed with the voltage form.
2. surging power conversion circuits according to claim 1 is characterized in that, is two port organizations, Yi Bian be input connecting power supply or signal line, Yi Bian be that output is then as the protection end of electric or network telecommunication apparatus.
3. surging power conversion circuits according to claim 2 is characterized in that, further comprises:
One aforementioned two port inputs;
One aforementioned two port outputs;
Two aforementioned parallel electric inductance, string is located between input and the output;
One aforementioned electric capacity, serial connection is located on the output and is connected after two parallel electric inductance;
One aforementioned surging absorptive unit has two surging protection component SPD altogether, is the rear and front end that the configuration of reporting to the leadship after accomplishing a task is connected in two parallel electric inductance;
One aforementioned electrical grounding unit has four surging protection component SPD of same size, and configuration is connected between the rear and front end and ground wire of two parallel electric inductance respectively.
4. surging power conversion circuits according to claim 3 is characterized in that, is the single-order circuit, or constitutes multistage circuit with several single-order circuit serial connections.
5. surging power conversion circuits according to claim 3 is characterized in that, further is connected in series a surging protection component SPD on the described input, reaches a gas discharge tube, suppresses structures to constitute two rank surgings, promotes surging and suppresses effect.
6. according to claim 1,2,3,4 or 5 described surging power conversion circuits, it is characterized in that, can be set as module, install and use with the apolegamy of electrical specification equipment for difference according to formulating specification.
7. surging power conversion circuits according to claim 6 is characterized in that, further gathers three described modules, input and output and be the Y type and connect configuration altogether.
8. surging power conversion circuits according to claim 6 is characterized in that, further gathers three described modules, input and output and be the △ type and connect configuration altogether.
9. surging power conversion circuits according to claim 3 is characterized in that, employed surging protection component SPD further is provided with different surging clamping voltage V
Clamping
10. surging power conversion circuits according to claim 9 is characterized in that, further appointed output terminal protection voltage is V
34, the transient voltage increment of output is V
(Δ 34), the stored energy of inductance is E
L, the inductance both end voltage is V
L, when burst current was flowed through inductance, moment, stored energy was E
(Δ L), moment the inductance both end voltage be V
(Δ L), it is V that surging suppresses voltage
s, and described circuit is that the surging that satisfies inductance value and output suppresses voltage V
sThe relation of being inversely proportional to; And the transient voltage increment V of described output
(Δ 34)With the capacitance relation of being inversely proportional to; And the transient voltage increment V of output
(Δ 34)Duration length and capacitance are proportional.
11. surging power conversion circuits according to claim 10 is characterized in that, further sets the remaining current value of surging that flows into surging protection component SPD and is set at k; The remaining current value of surging that flows into inductance then is 1-k; The k value has learnt that formula (1) output surging suppresses voltage V and can have between 0.1-0.9
s(suppressing voltage)=V
Clamping-(1-k) * L (dI
r/ dt); Learnt the voltage increment V of formula (2) output
(Δ 34)=(1/c) ∫ (1-2k) I
rDt; And the voltage increment V that has learnt formula (3) output
(Δ 34)Duration is
And can make its surging protection component of requirements set SPD, inductance and capacitance specification size thereof with the visitor, the product of making can be accorded with in functional need.
12. surging power conversion circuits according to claim 11 is characterized in that, the transient voltage increment of further specifying four surging protection component SPD is V
(Δ 1G), V
(Δ 2G), V
(Δ 3G), V
(Δ 4G), the moment total voltage of output is V
C, learn formula (4) output moment total voltage V and have
C=V
34+ (V
(Δ 1G)-V
(Δ 2G))+(V
(Δ 3G)-V
(Δ 4G)), be to carry out remaining voltage to support mutually with described four surging protection component SPD, reach the equipotential effect, suppress common mode coupling surging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010111239.8A CN102142678B (en) | 2010-02-03 | 2010-02-03 | Surge energy conversion circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010111239.8A CN102142678B (en) | 2010-02-03 | 2010-02-03 | Surge energy conversion circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102142678A true CN102142678A (en) | 2011-08-03 |
| CN102142678B CN102142678B (en) | 2014-05-07 |
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ID=44409994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010111239.8A Expired - Fee Related CN102142678B (en) | 2010-02-03 | 2010-02-03 | Surge energy conversion circuit |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4901183A (en) * | 1988-08-29 | 1990-02-13 | World Products, Inc. | Surge protection device |
| US5023745A (en) * | 1989-09-06 | 1991-06-11 | Erico International Corporation | Surge arrestor apparatus and method |
| US6288917B1 (en) * | 1998-01-20 | 2001-09-11 | Leveler | Three stage power conditioning circuit |
| CN201234130Y (en) * | 2008-06-24 | 2009-05-06 | 中兴通讯股份有限公司 | Lightning arrester circuit for communication equipment |
-
2010
- 2010-02-03 CN CN201010111239.8A patent/CN102142678B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4901183A (en) * | 1988-08-29 | 1990-02-13 | World Products, Inc. | Surge protection device |
| US5023745A (en) * | 1989-09-06 | 1991-06-11 | Erico International Corporation | Surge arrestor apparatus and method |
| US6288917B1 (en) * | 1998-01-20 | 2001-09-11 | Leveler | Three stage power conditioning circuit |
| CN201234130Y (en) * | 2008-06-24 | 2009-05-06 | 中兴通讯股份有限公司 | Lightning arrester circuit for communication equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102142678B (en) | 2014-05-07 |
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