CN2919330Y - Full-automaticity high-power compensating type synchronous electricity-saving manostat - Google Patents
Full-automaticity high-power compensating type synchronous electricity-saving manostat Download PDFInfo
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- CN2919330Y CN2919330Y CN 200620041021 CN200620041021U CN2919330Y CN 2919330 Y CN2919330 Y CN 2919330Y CN 200620041021 CN200620041021 CN 200620041021 CN 200620041021 U CN200620041021 U CN 200620041021U CN 2919330 Y CN2919330 Y CN 2919330Y
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Abstract
This utility discloses and provides a full-auto high power compensating synchronous energy-saving voltage regulator with high capacity, high power, stable voltage adjustment and no wave deformation and set with auto protection device to prevent over-voltage, over-current and mechanical trouble. The compensating synchronous energy-saving voltage regulator contains a stable and energy-saving resistor energy-saving circuit, an auto adjustable reactive power, a magnetizing current and energy-saving inductive circuit, a compensating circuit to keep a stable voltage output, an energy-saving voltage detecting circuit to detect voltage output variation and control voltage output, a motor controlling circuit to control a servo motor, an operation circuit to control the voltage regulator status shifting and the voltage regulator, a protection circuit providing short circuit protection, over and under voltage protection and open-phase protection and a cut-off circuit going through a high voltage. The utility model can be found a wide application in large mechanical and electric equipment in the fields of industry, agriculture, transportation, post undertaking, military, railway and scientific research culture, etc.
Description
Technical field
The utility model relates to a kind of economize on electricity voltage stabilizer, the compensation synchronous economize on electricity voltage stabilizer of particularly a kind of full-automatic high-power.
Background technology
At present, three-phase tracking formula voltage stabilizer adopts three-phase voltage mean value Sampling techniques.Present product sampled signal voltage is generally all taken from certain two line voltage, does not have to reflect the variation of all the other two groups of output voltages comprehensively.Mainly adopt three-phase voltage mean value Sampling techniques to solve this problem now in the world.Control circuit is provided with the fast braking link, when output voltage during near (or reaching) precision of voltage regulation scope, makes the servomotor fast braking, has guaranteed the stationarity of pressure regulation process.The at present external existing method that adopts the metal wheel structure to replace the brush structure has solved brush wear and brush preferably to the contradiction between the pressure of pressure regulator contact point, the output capacity of voltage stabilizer is increased to more than 3000 kilovolt-amperes reach vast capacity.
Automatic compensating voltage stabilizer is to utilize compensation control to guarantee the stable of output voltage, its precision of voltage regulation is determined by reference signal voltage bound, so automatic compensating voltage stabilizer is single closed loop astatic system, as seen, the precision of detection feedback element is to the lasting accuracy decisive role of closed-loop system, and high-precision system must have high-precision detection feedback element to guarantee; If the detection feedback element produces error, then it and controlled in deviation be difficult to distinguish, like this by regulating action, can destroy the stable of system on the contrary.
The utility model content
Technical problem to be solved in the utility model is: provide a kind of and have that capacity is big, efficient is high, have no waveform distortion, voltage-regulation is steady, is provided with overvoltage, overcurrent, the compensation synchronous economize on electricity voltage stabilizer of the full-automatic high-power of mechanical fault automatic safety device.
The technical scheme that its technical matters that solves the utility model adopts is:
The compensation synchronous economize on electricity voltage stabilizer of a kind of full-automatic high-power, it is characterized in that: it comprises
The resistive power save circuit of one stable economize on electricity, the too high voltages of damming;
One regulates the perceptual power save circuit of reactive power, magnetization current economize on electricity automatically;
One keeps the compensating circuit of regulated output voltage, adjusting three-phase equilibrium, elimination surge harmonic wave;
One detects output voltage changes the also economize on electricity voltage detecting circuit of control output voltage;
One is used to control the circuit for controlling motor of servomotor;
One is used to control the function circuit that the voltage stabilizer state switches, controls; And
One is used to carry out the holding circuit of short-circuit protection, overvoltage/undervoltage protection and open-phase protection;
The output terminal of described resistive power save circuit inserts described perceptual power save circuit, compensating circuit and circuit for controlling motor respectively; the output terminal of described compensating circuit inserts described economize on electricity voltage detecting circuit and circuit for controlling motor respectively; described economize on electricity voltage detecting circuit inserts described holding circuit, and described function circuit inserts the output terminal of described perceptual power save circuit.
Described resistive power save circuit is by an autotransformer, relay J 11, J12, contactor J12-1, J11-1, and K switch 11, K12, contactor CJ2, change-over switch N and pilot lamp are formed.Described relay J 11, contactor J12-1, K switch 12 series connection, described relay J 12, contactor J11-1, K switch 11 series connection, in parallel mutually then, parallel connection place of described K switch 11 and K12 is connected change-over switch N again.Parallel connection place of described contactor J12-1 and J11-1 meets contactor CJ2, between described relay J 11 and the J12, connects pilot lamp between relay J 12 and the contactor CJ2.
Described perceptual power save circuit is made up of some group capacitors, reactance and a control chip.
Described capacitor and reactance are 5 groups.
Described compensating circuit is by compensator transformer T1 and move line contact voltage regulator T2 and form.The described elementary output terminal that is connected voltage stabilizer that moves line contact voltage regulator T2, described secondary the elementary of compensator transformer T1, the secondary economize on electricity voltage detecting circuit that connects of described compensator transformer T1 of connecing that moves line contact voltage regulator T2.
Described compensator transformer T1 connects a surge canceller that is used to eliminate surge voltage.
Described economize on electricity voltage detecting circuit is made up of a sampling transformer T3 and a voltage comparator.The output terminal of the input termination compensator transformer T1 of described sampling transformer T3, the output termination voltage comparator of described sampling transformer.
Described circuit for controlling motor is made up of motor M, step-down limit switch JK, boost limit switch SK, resistance R and capacitor C.Described step-down limit switch JK, boost limit switch SK, resistance R and capacitor C are in series with each other, and described motor M is connected in parallel on resistance R and capacitor C two ends, then respectively in the three-phase of place in circuit.
Described function circuit is formed by tightly stopping button TA, start button QA2, contactor CJ1, contactor CJ1-1, K switch 111 and control mode K switch 1.Describedly tightly stop button TA, start button QA2 and contactor CJ1 is composed in series the startup stop loop mutually, after described contactor CJ1-1, K switch 111 and 1 series connection of control mode K switch, contactor CJ1-1 is connected in parallel on start button QA2 two ends.Describedly tightly stop button TA and contactor CJ1 one end inserts the A4 of major loop and the end points of B4 respectively.
Described holding circuit is made up of out-of-limit holding circuit, over under-voltage protection circuit and open-phase protection circuit.Described out-of-limit holding circuit is made up of automatic switch ZK, step-down limit switch JK and the limit switch SK that boosts.Described over under-voltage protection circuit is made up of protection contactor J3, output contactor CJ3, protective relay J6 and pilot lamp L3.Described open-phase protection circuit is by protective relay J8 and output contactor CJ3.
The compensation synchronous economize on electricity voltage stabilizer volume of full-automatic high-power of the present utility model is little, in light weight, easy to install and use, reliable.Giant mechanical and electrical equipment, metal-working plant, the production line that can be widely used in fields such as industry, agricultural, traffic, post and telecommunications, military affairs, railway, scientific research culture, building engineering equipment, elevator, medicine equipment, microcomputer machine room, computer controling equipment, embroidery light textile equipment, air-conditioning, radio and television, hotel and household electrical appliance illumination wait all to need the place of voltage stabilizing and economize on electricity.
Description of drawings
Fig. 1 is the electrical schematic diagram of the compensation synchronous economize on electricity voltage stabilizer of the utility model.
Fig. 2 is the electrical schematic diagram of the resistive power save circuit of the compensation synchronous economize on electricity voltage stabilizer of the utility model.
Fig. 3 is the schematic diagram of the compensation synchronous economize on electricity voltage stabilizer compensating circuit of the utility model.
Fig. 4 is the schematic diagram of the compensation synchronous economize on electricity voltage stabilizer surge canceller of the utility model.
Fig. 5 is the control chart of the compensation synchronous economize on electricity voltage stabilizer economize on electricity voltage detecting circuit of the utility model.
Fig. 6 is the schematic diagram of the compensation synchronous economize on electricity voltage stabilizer circuit for controlling motor of the utility model.
Fig. 7 is the compensation synchronous economize on electricity voltage stabilizer holding circuit structural drawing of the utility model.
Fig. 8 is the compensation synchronous economize on electricity voltage stabilizer holding circuit functional diagram of the utility model.
Embodiment
With specific embodiment the utility model is done to set forth further with reference to the accompanying drawings below.
As shown in Figure 1, the compensation synchronous economize on electricity voltage stabilizer of described full-automatic high-power, it comprises
The resistive power save circuit 1 of one stable economize on electricity, the too high voltages of damming;
One regulates the perceptual power save circuit 2 of reactive power, magnetization current economize on electricity automatically;
One keeps the compensating circuit 3 of regulated output voltage, adjusting three-phase equilibrium, elimination surge harmonic wave;
One detects output voltage changes the also economize on electricity voltage detecting circuit 4 of control output voltage;
One is used to control the circuit for controlling motor 5 of servomotor;
One is used to control the function circuit 6 that the voltage stabilizer state switches, controls; And
One is used to carry out the holding circuit 7 of short-circuit protection, overvoltage/undervoltage protection and open-phase protection.
As shown in Figure 1 and Figure 2, described resistive power save circuit 1 is by an autotransformer 11, relay J 11, J12, contactor J12-1, J11-1, and K switch 11, K12, contactor CJ2, change-over switch N and pilot lamp are formed.Described relay J 11, contactor J12-1, K switch 12 series connection, described relay J 12, contactor J11-1, K switch 11 series connection, in parallel mutually then, parallel connection place of described K switch 11 and K12 is connected change-over switch N again.Parallel connection place of described contactor J12-1 and J11-1 meets contactor CJ2, between described relay J 11 and the J12, connects pilot lamp between relay J 12 and the contactor CJ2.When the voltage of input is in when stablizing normal state relay CJ2 adhesive, resistive power save circuit 1 direct conducting; When the overtension of input, relay CJ2 opens, and voltage flows to autotransformer 11, output again behind the too high voltage that dams, and stable economize on electricity, when damming voltage 5%, amount of electricity saving reaches more than 15%.
Described perceptual power save circuit 2 is made up of some group capacitors, reactance and a control chip.Described perceptual power save circuit 2 has the function of automatic adjusting reactive power and magnetization current economize on electricity.Described control chip can compensate by the detection of circuit reactive power is regulated automatically, and when reactive power during less than setting value, the capacitor and the reactance of one group of group drop into step by step, circuit are compensated the hoisting power factor.Can regulate power factor synchronously automatically according to the described control chip of the load state in the circuit, enough reactive power capacity are provided, the clean lifting values of power factor is 0.25～0.35.Same power load, total electricity capacity can save 25%～35%.Described chip model is JKL8F-12, can insert 12 group capacitors and reactance, because the cost of capacitor and reactance is higher, capacitor and reactance are 5 groups in the described perceptual power save circuit 2.
Described compensating circuit 3 is by compensator transformer T1 and move line contact voltage regulator T2 and form.The described elementary output terminal that is connected voltage stabilizer that moves line contact voltage regulator T2, described secondary the elementary of compensator transformer T1, the secondary economize on electricity voltage detecting circuit that connects of described compensator transformer T1 of connecing that moves line contact voltage regulator T2.Its compensation principle such as Fig. 3 do not calculate the impedance voltage drop of compensator transformer.
U2＝U1±Uc。
In the formula: the U1-voltage stabilizer is failed people's phase voltage;
U2-voltage stabilizer output phase voltage;
Uc-voltage stabilizer phase bucking voltage.
When input phase voltage U1 changes Δ U1, if bucking voltage Uc corresponding change Δ Uc and Δ U1=Δ Uc then export phase voltage U2 and just can remain unchanged.The adjusting of bucking voltage Uc is the variation according to output voltage, providing signal controlling servomotor M by voltage detection unit rotates, slide through the brush that slows down and gear train drives on the contact voltage regulator, the secondary voltage of regulating contact voltage regulator changes bucking voltage, realizes keeping automatically output voltage stabilization.
Described compensator transformer T1 connects a surge canceller (as Fig. 4) in addition, be in high resistance state under the described surge canceller normal condition, when surge voltage occurring in the circuit, the surge canceller will be in nanosecond conducting rapidly in the time, surge voltage is introduced the earth, thereby play the effect of protection consumer; When surge voltage was passed through the surge canceller and disappeared, the surge canceller changed to high resistance state again, does not influence the normal operation of circuit.
The described line contact voltage regulator T2 that moves is by carrying out phase shift to the voltage waveform on the adjacent lines, make that not have line pressure between winding turns and the circle poor, each winding and carbon brush just can not generate heat like this, move line contact voltage regulator T2 and can carry out intelligent three-phase equilibrium thereby can make, and can stably work.
Described economize on electricity voltage detecting circuit 4 is made up of a sampling transformer T3 and a voltage comparator.The output terminal of the input termination compensator transformer T1 of described sampling transformer T3, the output termination voltage comparator of described sampling transformer.Sampling transformer T3 presses from the compensator transformer T1 output terminal power taking of voltage stabilizer, obtains 92 volts and 18 volts of two kinds of voltages after transformer T3 transformation.18 volts of 12 volts of stable voltages that obtain direct current after rectification, filtering, voltage stabilizing are made the operating voltage of detecting unit reference voltage and integrated circuit, relay.9.2 volt obtains DC voltage one sampling voltage that changes with output voltage after rectification, filtering.Form voltage comparator with integrated circuit LM339N.The lower limit benchmark is made of R3, W1 (as Fig. 5), regulates the W1 potentiometer and can change lower limit benchmark size.Upper limit benchmark is regulated the W2 potentiometer and can be changed upper limit benchmark size by RS, W2.When sampling voltage is lower than the lower limit reference voltage, relay J 1 adhesive, circuit working in returning, relay J 2 adhesives, starting servomotor M just changes, and increases the bucking voltage amount, and stabilizer output voltage is raise.When sampling voltage is higher than upper limit reference voltage, relay J 3 adhesives, circuit working in returning, relay J 4 adhesives start servomotor M counter-rotating, reduce the bucking voltage amount, and stabilizer output voltage is reduced.(annotate: the above voltage stabilizer J2J4 serial connection of 320KVA auxiliary reclay, the rotating of control three-phase servomotor.) precision of voltage regulation of voltage stabilizer regulated by potentiometer W1, W2, scalable is in ± 1%～± 5% scope.Voltage stabilizer voltage stabilizing value is regulated by W3, and scalable is at 380V ± 5%.(single-phase adjusting in 220V ± 5%)
Described circuit for controlling motor 5 is made up of motor M, step-down limit switch JK, boost limit switch SK, resistance R and capacitor C.Described step-down limit switch JK, boost limit switch SK, resistance R and capacitor C are in series with each other, and described motor M is connected in parallel on resistance R and capacitor C two ends, then respectively in the three-phase of place in circuit.The servomotor control mode has manual, automatic two kinds, is selected by change-over switch K1, and in the time of manually: " boosting " presses the SA knob, and " step-down " presses the JA button; Automatically the time: boost and step-down is detected by voltage detection unit.Principle such as Fig. 6.
Described function circuit 6 is formed by tightly stopping button TA, start button QA2, contactor CJ1, contactor CJ1-1, K switch 111 and control mode K switch 1.Describedly tightly stop button TA, start button QA2 and contactor CJ1 is composed in series the startup stop loop mutually, after described contactor CJ1-1, K switch 111 and 1 series connection of control mode K switch, contactor CJ1-1 is connected in parallel on start button QA2 two ends.Describedly tightly stop button TA and contactor CJ1 one end inserts the A4 of major loop and the end points of B4 respectively.
Be provided with an automatic switch ZK, an A.C. contactor CJ1 and a switch QJ in the described function circuit 6.Automatic switch ZK is the input master switch of economize on electricity voltage stabilizer power supply, and A.C. contactor CJ1 carries out for convenience or stops voltage compensation and be provided with.When A.C. contactor CJ1 is closed, voltage stabilizing output.When the economize on electricity voltage stabilizer breaks down normally voltage stabilizing, for conveniently making the emergent maintenance of using civil power and node voltage stabilizer of user, output terminal at circuit has installed switch QJ additional, can switch to " civil power " output state at " voltage stabilizing " state easily.
The voltage stabilizing operation:
1, power on automatically: panel " control mode " is allocated to " automatically ", and the control circuit board downside switch that " powers on automatically " is allocated to " closure " state, the power-on switch, and 5-7 is wonderful for the time-delay of economize on electricity voltage stabilizer, automatic voltage regulation output.
2, manually boot: the control circuit board downside switch that " powers on automatically " is allocated to " opening " state, and the power-on switch after the voltage stabilizer self check pressure regulation of waiting to economize on electricity, starts start button QA2, voltage stabilizing output.
Described holding circuit 7 is made up of out-of-limit holding circuit, over under-voltage protection circuit and open-phase protection circuit.Described out-of-limit holding circuit is made up of automatic switch ZK, step-down limit switch JK and the limit switch SK that boosts.Described over under-voltage protection circuit is made up of protection contactor J3, output contactor CJ3, protective relay J6 and pilot lamp L3.Described open-phase protection circuit is by protective relay J8 and output contactor CJ3.
1. the overload and the short circuit of automatic switch ZK protection main circuit.SK and JK limit switch are formed out-of-limit holding circuit, and when the brush slip touched the upper and lower limit switch, its voltage-regulating relay J2, J4 contact open circuit made the servomotor stall, reach out-of-limit protective effect.
2. cross, under-voltage protecting circuit: cross, under-voltage protection by the output voltage nominal value of voltage stabilizer decided, the size of the value of owing.Cross layer less than or approximate 418 volts; Under-voltage value greater than or approximate 342 volts.When stabilizer output voltage was higher than overpressure value, it's second pasted a pond protective relay J5 adhesive time-delay 5-8, protection contactor J3 outage, and output contactor CJ3 quits work, and L3 is bright for the overvoltage/undervoltage pilot lamp, and voltage stabilizer is cut off the electricity supply automatically.When voltage stabilizer voltage is lower than under-voltage value, 6 adhesives of under-voltage protection relay J, protection contactor J3 outage, output contactor C13 quits work, and L3 is bright for the overvoltage/undervoltage pilot lamp, and voltage stabilizer is cut off the electricity supply automatically.When the voltage that obtains from the output terminal of compensator transformer T1 as sampling transformer T3 returned to the value of owing with interior voltage, protective relay J3 adhesive, output contactor L does, and voltage stabilizer is exported normal power supply automatically.
3. open-phase protection: the normally opened contact of the phase sequence relay J 8 of in holding circuit, having connected.When the input phase sequence just often, 8 adhesives of phase sequence relay J, CJ3 can enter duty, otherwise CJ3 can not work voltage stabilizer no-output power supply.(as Fig. 7, shown in Figure 8)
Certainly,, do not spend performing creative labour, on the basis of the foregoing description, can do multiple variation, can realize the purpose of this utility model equally for one of ordinary skill in the art.But above-mentioned various variations obviously should be in the protection domain of claims of the present utility model.
Claims (10)
1, the compensation synchronous economize on electricity voltage stabilizer of a kind of full-automatic high-power, it is characterized in that: it comprises
The resistive power save circuit of one stable economize on electricity, the too high voltages of damming;
One regulates the perceptual power save circuit of reactive power, magnetization current economize on electricity automatically;
One keeps the compensating circuit of regulated output voltage, adjusting three-phase equilibrium, elimination surge harmonic wave;
One detects output voltage changes the also economize on electricity voltage detecting circuit of control output voltage;
One is used to control the circuit for controlling motor of servomotor;
One is used to control the function circuit that the voltage stabilizer state switches, controls; And
One is used to carry out the holding circuit of short-circuit protection, overvoltage/undervoltage protection and open-phase protection;
The output terminal of described resistive power save circuit inserts described perceptual power save circuit, compensating circuit and circuit for controlling motor respectively; the output terminal of described compensating circuit inserts described economize on electricity voltage detecting circuit and circuit for controlling motor respectively; described economize on electricity voltage detecting circuit inserts described holding circuit, and described function circuit inserts the output terminal of described perceptual power save circuit.
2, the compensation synchronous economize on electricity voltage stabilizer of full-automatic high-power as claimed in claim 1, it is characterized in that: described resistive power save circuit is by an autotransformer, relay J 11, J12, contactor J12-1, J11-1, K switch 11, K12, contactor CJ2, change-over switch N and pilot lamp are formed; Described relay J 11, contactor J12-1, K switch 12 series connection, described relay J 12, contactor J11-1, K switch 11 series connection, in parallel mutually then, parallel connection place of described K switch 11 and K12 is connected change-over switch N again; Parallel connection place of described contactor J12-1 and J11-1 meets contactor CJ2, between described relay J 11 and the J12, connects pilot lamp between relay J 12 and the contactor CJ2.
3, the compensation synchronous economize on electricity voltage stabilizer of full-automatic high-power as claimed in claim 1, it is characterized in that: described perceptual power save circuit is made up of some group capacitors, reactance and a control chip.
4, the compensation synchronous economize on electricity voltage stabilizer of full-automatic high-power as claimed in claim 3, it is characterized in that: described capacitor and reactance are 5 groups.
5, the compensation synchronous economize on electricity voltage stabilizer of full-automatic high-power as claimed in claim 1 is characterized in that: described compensating circuit is by compensator transformer T1 and move line contact voltage regulator T2 and form; The described elementary output terminal that is connected voltage stabilizer that moves line contact voltage regulator T2, described secondary the elementary of compensator transformer T1, the secondary economize on electricity voltage detecting circuit that connects of described compensator transformer T1 of connecing that moves line contact voltage regulator T2.
6, the compensation synchronous economize on electricity voltage stabilizer of full-automatic high-power as claimed in claim 5 is characterized in that: described compensator transformer T1 connects a surge canceller that is used to eliminate surge voltage.
7, the compensation synchronous economize on electricity voltage stabilizer of full-automatic high-power as claimed in claim 1, it is characterized in that: described economize on electricity voltage detecting circuit is made up of a sampling transformer T3 and a voltage comparator; The output terminal of the input termination compensator transformer T1 of described sampling transformer T3, the output termination voltage comparator of described sampling transformer.
8, the compensation synchronous economize on electricity voltage stabilizer of full-automatic high-power as claimed in claim 1, it is characterized in that: described circuit for controlling motor is made up of motor M, step-down limit switch JK, boost limit switch SK, resistance R and capacitor C; Described step-down limit switch JK, boost limit switch SK, resistance R and capacitor C are in series with each other, and described motor M is connected in parallel on resistance R and capacitor C two ends, then respectively in the three-phase of place in circuit.
9, the compensation synchronous economize on electricity voltage stabilizer of full-automatic high-power as claimed in claim 1 is characterized in that: described function circuit is formed by tightly stopping button TA, start button QA2, contactor CJ1, contactor CJ1-1, K switch 111 and control mode K switch 1; Describedly tightly stop button TA, start button QA2 and contactor CJ1 is composed in series the startup stop loop mutually, after described contactor CJ1-1, K switch 111 and 1 series connection of control mode K switch, contactor CJ1-1 is connected in parallel on start button QA2 two ends; Describedly tightly stop button TA and contactor CJ1 one end inserts the A4 of major loop and the end points of B4 respectively.
10, the compensation synchronous economize on electricity voltage stabilizer of full-automatic high-power as claimed in claim 1, it is characterized in that: described holding circuit is made up of out-of-limit holding circuit, over under-voltage protection circuit and open-phase protection circuit; Described out-of-limit holding circuit is made up of automatic switch ZK, step-down limit switch JK and the limit switch SK that boosts; Described over under-voltage protection circuit is made up of protection contactor J3, output contactor CJ3, protective relay J6 and pilot lamp L3; Described open-phase protection circuit is by protective relay J8 and output contactor CJ3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620041021 CN2919330Y (en) | 2006-04-13 | 2006-04-13 | Full-automaticity high-power compensating type synchronous electricity-saving manostat |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200620041021 CN2919330Y (en) | 2006-04-13 | 2006-04-13 | Full-automaticity high-power compensating type synchronous electricity-saving manostat |
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| CN2919330Y true CN2919330Y (en) | 2007-07-04 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100538583C (en) * | 2007-12-21 | 2009-09-09 | 重庆宇通系统软件有限公司 | Circuit for power compensation for supplying electromagnetism by cycle |
| CN102955489A (en) * | 2011-08-29 | 2013-03-06 | 上海磐腾机电科技有限公司 | Three-phase compensation type voltage stabilizer |
| CN103338566A (en) * | 2013-07-22 | 2013-10-02 | 国家电网公司 | Energy-saving illumination voltage stabilizer |
| CN104007780A (en) * | 2014-07-04 | 2014-08-27 | 国网河南禹州市供电公司 | SBW three-phase compensating power voltage regulator |
-
2006
- 2006-04-13 CN CN 200620041021 patent/CN2919330Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100538583C (en) * | 2007-12-21 | 2009-09-09 | 重庆宇通系统软件有限公司 | Circuit for power compensation for supplying electromagnetism by cycle |
| CN102955489A (en) * | 2011-08-29 | 2013-03-06 | 上海磐腾机电科技有限公司 | Three-phase compensation type voltage stabilizer |
| CN102955489B (en) * | 2011-08-29 | 2016-02-10 | 上海磐腾机电科技有限公司 | three-phase compensation type voltage stabilizer |
| CN103338566A (en) * | 2013-07-22 | 2013-10-02 | 国家电网公司 | Energy-saving illumination voltage stabilizer |
| CN104007780A (en) * | 2014-07-04 | 2014-08-27 | 国网河南禹州市供电公司 | SBW three-phase compensating power voltage regulator |
| CN104007780B (en) * | 2014-07-04 | 2015-12-30 | 国网河南禹州市供电公司 | A kind of SBW three-phase compensates electric voltage stabilizer |
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