CN2458815Y - High-stability high-power controllable rectifying current stabilized power source - Google Patents
High-stability high-power controllable rectifying current stabilized power source Download PDFInfo
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- CN2458815Y CN2458815Y CN 00261484 CN00261484U CN2458815Y CN 2458815 Y CN2458815 Y CN 2458815Y CN 00261484 CN00261484 CN 00261484 CN 00261484 U CN00261484 U CN 00261484U CN 2458815 Y CN2458815 Y CN 2458815Y
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- power
- power supply
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Abstract
The utility model relates to a high-stability high-power controllable rectifying current stabilized power source. The power supply is composed of twelve-phase full bridge controllable silicon rectifying; every two bridges of which are connected in parallel; a balance reactor, a digital triggering sheet which can balance automatically, an LC passive filter, and a filter circuit are added to do special treatment to the uncharacteristic harmonic. The current testing unit is DCCT, and the load is an inductive load; the feedback regulation of the whole system comprises a voltage ripple loop and an electric current loop, and the protection uses PLC components. The long-term current stability of the utility model is up to plus or minus 1 X 10 <-5 >, the efficiency of the power supply is up to 90 percent, and the power factor is greater than 0.9.
Description
The utility model relates to a kind of electronic technology, especially a kind of controllable silicon high stability power rectifier stabilized current power supply.
Stabilized current power supply is the equipment of heavy ion avcceleration indispensability as the standing power supply of electric equipment too, and requires stability quite high, and current ripples is quite little, and power-efficient requires high.High stable in the past, large power supply have all been utilized the voltage regulator pressure regulation and have been adjusted pipe and transfer technology such as stream, though current stability,, current ripples can reach requirement, power-efficient is low, has not only wasted a large amount of wealth, and has shortened the life-span of power supply greatly.
The purpose of this utility model is to provide a kind of and utilizes voltage ripple ring and active power filtering to combine to suppress low-frequency ripple effectively, improved the high-power controlled rectification stabilized current power supply of high stability of stability of power supply and efficient.
The purpose of this utility model can realize by following measure:
The high-power controlled rectification stabilized current power supply of a kind of high stability, comprise rectifier transformer, controllable silicon rectifying bridge, load etc., two controlled silicon rectification bridges are passed through the reactor parallel connection, be connected in series with passive filtering again and active power filtering serial connection back and load and direct current transducer, the output signal of active power filtering also links with the voltage ripple ring, voltage ripple ring and trigger link, and trigger and controllable silicon rectifying bridge link, and direct current transducer links by adjuster and trigger.
The utility model has following advantage compared to existing technology:
1, the utility model adopts active power filtering to suppress 150HZ, 300HZ, the voltage ripple ring suppresses 50HZ, 100HZ, these two kinds of methods combine and can suppress low-frequency ripple effectively, thereby have greatly improved the stability and the power of power supply, wherein stability of power supply be better than ± 1 * 10
-5, power supply ripple is less than 1 * 10
-5
2, the electronic circuit of voltage ripple ring of the present utility model is simple and practical, can elect low-frequency ripple well, feeds back on the trigger board steady load electric current by the control voltage of fine setting trigger board then well.
3, active filter circuit design of the present utility model is ingenious, novel, unique, can suppress low-frequency ripple effectively.
Concrete structure of the present utility model is provided by the following drawings:
Fig. 1 is a structural representation of the present utility model
1-rectifier transformer 2-controllable silicon rectifying bridge 3-reactor
4-passive filtering 5-active power filtering 6-direct current transducer
7-load 8-voltage ripple ring 9-adjuster
The 10-trigger board
Fig. 2 is the circuit theory diagrams of voltage ripple ring of the present utility model
Fig. 3 is the circuit theory diagrams of active power filtering of the present utility model
The utility model is also incited somebody to action in conjunction with the accompanying drawings, and embodiment is described in further detail:
With reference to Fig. 1, the high-power controlled rectification stabilized current power supply of a kind of high stability, comprise rectifier transformer 1, controllable silicon rectifying bridge 2, load 7 etc., this stabilized current power supply is by reactor 3 parallel connections with two controlled silicon rectification bridges 2, be connected in series with passive filtering 4 again and active power filtering 5 serial connection backs and load 7 and direct current transducer 6, the output signal of active power filtering 5 also links with voltage ripple ring 8, voltage ripple ring 8 links with trigger 10, trigger 10 links with controllable silicon rectifying bridge 2, and direct current transducer 6 links by adjuster 9 and trigger 10.Described adjuster 9 is by resistance R
1, capacitor C
1, amplifier IC
1, IC
2, V
RForm, direct current transducer 6 connect with benchmark to pushing up after the connection through amplifier IC
2After the amplification, import IC again
1Amplifier is by IC
1Export trigger board 10 behind the proportional integral to.
With reference to Fig. 2, the voltage ripple ring 8 of the high-power controlled rectification stabilized current power supply of described high stability is to be formed in parallel by three amplifiers.
With reference to Fig. 3, the active power filtering 5 of the high-power controlled rectification stabilized current power supply of described high stability is by transformer T
1, reactor T
2, transport and placing device IC
71, IC
72, IC
73With power board IC
6Form, wherein IC
71, IC
72, IC
73After the parallel connection, again with power board IC
6Connect power board IC
6With transformer T
2Link transformer T
2Output signal and reactor T
1Link.
Claims (4)
1, the high-power controlled rectification stabilized current power supply of a kind of high stability, comprise rectifier transformer (1), controllable silicon rectifying bridge (2), load (7) etc., it is characterized in that two controlled silicon rectification bridges (2) by reactor (3) parallel connection, be connected in series with passive filtering (4) again and active power filtering (5) serial connection back and load (7) and direct current transducer (6), the output signal of active power filtering (5) also links with voltage ripple ring (8), voltage ripple ring (8) links with trigger (10), trigger (10) links with controllable silicon rectifying bridge (2), and direct current transducer (6) links by adjuster (9) and trigger (10).
2, the high-power controlled rectification stabilized current power supply of high stability as claimed in claim 1 is characterized in that described voltage ripple ring (8) is to be formed in parallel by three amplifiers.
3, the high-power controlled rectification stabilized current power supply of high stability as claimed in claim 1 is characterized in that described active power filtering (5), is by transformer T
1, reactor T
2, transport and placing device IC
71, IC
72, IC
73With power board IC
6Form, wherein IC
71, IC
72, IC
73After the parallel connection, again with power board IC
6Connect power board IC
6With transformer T
2Link transformer T
2Output signal and reactor T
1Link.
4, the high-power controlled rectification stabilized current power supply of high stability as claimed in claim 1 is characterized in that described adjuster (9) is by resistance R
1, capacitor C
1, amplifier IC
1, IC
2, V
RForm, direct current transducer (6) connect with benchmark to pushing up after the connection through amplifier IC
2After the amplification, import IC again
1Amplifier is by IC
1Export trigger board (10) behind the proportional integral to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00261484 CN2458815Y (en) | 2000-12-26 | 2000-12-26 | High-stability high-power controllable rectifying current stabilized power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00261484 CN2458815Y (en) | 2000-12-26 | 2000-12-26 | High-stability high-power controllable rectifying current stabilized power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2458815Y true CN2458815Y (en) | 2001-11-07 |
Family
ID=33616985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00261484 Expired - Lifetime CN2458815Y (en) | 2000-12-26 | 2000-12-26 | High-stability high-power controllable rectifying current stabilized power source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2458815Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100352151C (en) * | 2004-01-12 | 2007-11-28 | 南京航空航天大学 | Power factor correction transducer capable of parallel working |
| CN100446395C (en) * | 2007-04-28 | 2008-12-24 | 电子科技大学 | Voltage-stabilizing switch power source with voltage ripple detection circuit |
| CN100459392C (en) * | 2007-04-28 | 2009-02-04 | 电子科技大学 | Current-stabilizing switch power source with voltage ripple detection circuit |
| CN103336155A (en) * | 2013-06-28 | 2013-10-02 | 中国西电电气股份有限公司 | Current source for function test of DC high-voltage transmission thyristor converter valve component |
| CN107121575A (en) * | 2016-02-24 | 2017-09-01 | 中兴通讯股份有限公司 | Testing for electrical equipment noise generator and the method that electronic equipment is tested using it |
-
2000
- 2000-12-26 CN CN 00261484 patent/CN2458815Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100352151C (en) * | 2004-01-12 | 2007-11-28 | 南京航空航天大学 | Power factor correction transducer capable of parallel working |
| CN100446395C (en) * | 2007-04-28 | 2008-12-24 | 电子科技大学 | Voltage-stabilizing switch power source with voltage ripple detection circuit |
| CN100459392C (en) * | 2007-04-28 | 2009-02-04 | 电子科技大学 | Current-stabilizing switch power source with voltage ripple detection circuit |
| CN103336155A (en) * | 2013-06-28 | 2013-10-02 | 中国西电电气股份有限公司 | Current source for function test of DC high-voltage transmission thyristor converter valve component |
| CN107121575A (en) * | 2016-02-24 | 2017-09-01 | 中兴通讯股份有限公司 | Testing for electrical equipment noise generator and the method that electronic equipment is tested using it |
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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 | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20101226 Granted publication date: 20011107 |