SU464938A1 - Balancing device for connecting three-phase symmetrical load to unbalanced mains - Google Patents
Balancing device for connecting three-phase symmetrical load to unbalanced mainsInfo
- Publication number
- SU464938A1 SU464938A1 SU1904081A SU1904081A SU464938A1 SU 464938 A1 SU464938 A1 SU 464938A1 SU 1904081 A SU1904081 A SU 1904081A SU 1904081 A SU1904081 A SU 1904081A SU 464938 A1 SU464938 A1 SU 464938A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- balancing device
- phase symmetrical
- symmetrical load
- load
- unbalanced
- Prior art date
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
- Control Of Electrical Variables (AREA)
Description
коэффициент передачи по току обратной послед о вательнасти /Cf дл каждой из фаз должен приближатьс к нулю. Из выражени дл коэ1ф фициента Кthe current transfer ratio of the return sequence / Cf for each of the phases should approach zero. From the expression for the coefficient K
К- 3, Z,:SK-3, Z,: S
; К 1 - il ; K 1 - il
где Хы - сопротивление взаимоиндукции между обмотками дросселей, ZK - сопротивление компенсирующей вет;ви ,where Xy is the resistance of mutual induction between the windings of chokes, ZK is the resistance of the compensating wind; vi,
Zg - сопротивление обмоток дросселейZg - resistance of windings of chokes
нагрузочных цепей. ZH - сопротивление нагрузки, видно, что О, еслиload circuits. ZH - load resistance, it is clear that O, if
. 3. 3
7 - - ч У /J/GO - X7 - - h Y / J / GO - X
мm
/-к - - Э м - о м/ -k - - um - o m
п 3J/3n 3J / 3
мm
или Кк -оor Kk-o
у at
мm
СК ,., Sc.,
ш С, 2w C, 2
Указанное условие реализуетс в устройстве резистором и конденсатором. Максимальное значение коэффициента полезного действи можно достигнуть в режиме согласовани нагрузки с параметрами дроссел . В этом случае должно выполн тьс условиеThis condition is realized in the device by a resistor and a capacitor. The maximum value of the efficiency can be achieved in the mode of matching the load with the parameters of the throttles. In this case, the condition
1/з1 / C
. 1. one
у - y -
«"
I / ( I / (
у j,t. --j, t. -
22
Положительным свойством устройства вл етс независимость процессов на входе схемы от процессов на выходе. Симметрирующие свойства устройства сохран ютс при любой степени асимметрии питающей сети.A positive feature of the device is the independence of the processes at the input of the circuit from the processes at the exit. The balancing properties of the device are maintained at any degree of asymmetry in the supply network.
Предмет изобретени Subject invention
Симметрирующее устройство дл подключени трехфазной симметричной нагрузки к несимметричной питающей сети, выполненное в виде взаимосв занных в каждой фазе нагрузочных и входных цепей, между которымиA balancing device for connecting a three-phase symmetric load to an unbalanced mains supply, made in the form of load and input circuits interconnected in each phase, between which
включены компенсирующие ветви, содержащие резистор, отличающеес тем, что, с целью упрощени конструкции и повышени энергетических показателей, взаимосв занные нагрузочные и входные цепи выполнены в видетрех двухобмоточных дросселей, п.ричем две обмотки разных дросселей, соединенные согласно , подключены к каждой фазе питающей сети, а компенсирующие ветви, в которых последовательно с резистором включенincluded compensating branches containing a resistor, characterized in that, in order to simplify the design and improve energy performance, the interconnected load and input circuits are made in three double-wound chokes, so that two windings of different chokes connected according to each are connected , and compensating branches in which in series with a resistor is turned on
дополнительный конденсатор, подключены между точками соединени обмоток разных дросселей.additional capacitor connected between the connection points of the windings of different chokes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1904081A SU464938A1 (en) | 1973-04-11 | 1973-04-11 | Balancing device for connecting three-phase symmetrical load to unbalanced mains |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1904081A SU464938A1 (en) | 1973-04-11 | 1973-04-11 | Balancing device for connecting three-phase symmetrical load to unbalanced mains |
Publications (1)
Publication Number | Publication Date |
---|---|
SU464938A1 true SU464938A1 (en) | 1975-03-25 |
Family
ID=20548485
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1904081A SU464938A1 (en) | 1973-04-11 | 1973-04-11 | Balancing device for connecting three-phase symmetrical load to unbalanced mains |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU464938A1 (en) |
-
1973
- 1973-04-11 SU SU1904081A patent/SU464938A1/en active
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