RU97111787A - NETWORK VOLTAGE DIRECTION CIRCUIT - Google Patents
NETWORK VOLTAGE DIRECTION CIRCUITInfo
- Publication number
- RU97111787A RU97111787A RU97111787/09A RU97111787A RU97111787A RU 97111787 A RU97111787 A RU 97111787A RU 97111787/09 A RU97111787/09 A RU 97111787/09A RU 97111787 A RU97111787 A RU 97111787A RU 97111787 A RU97111787 A RU 97111787A
- Authority
- RU
- Russia
- Prior art keywords
- circuit
- charging capacitor
- diode
- mains
- charging
- Prior art date
Links
- 239000003990 capacitor Substances 0.000 claims 11
Claims (5)
а) зарядный конденсатор (CL) а также нагрузка (SNT) приложены к двухполупериодному выпрямителю (D1...D4),
b) предусмотрен вспомогательный выпрямитель (D1', D2'), от которого последовательная схема бустерной индуктивности и диода ведет к зарядному конденсатору, и
с) переключатель через управляющую схему (АВ) управляется таким образом, что во временных областях вокруг прохождений через нуль выпрямленных полуволн бустерную индуктивность к зарядному конденсатору поставляется дополнительный зарядный ток.1. The circuit for rectifying the mains voltage for power supplies, in particular for switched power supplies from the mains, with a half-wave rectifier (D1 ... D4) applied to the mains voltage and a charging capacitor (CL) connected behind it, the charging capacitor being charged through a series a booster inductance (LB) and diode (DS) circuit, in which the connection point of the booster inductance with a diode is applied to the housing through a controllable switch (SB), with a clock frequency that is significantly higher than the network frequency, characterized in that
a) a charging capacitor (CL) as well as a load (SNT) are applied to a half-wave rectifier (D1 ... D4),
b) an auxiliary rectifier (D1 ', D2') is provided, from which a series circuit of a booster inductance and a diode leads to a charging capacitor, and
c) the switch through the control circuit (AB) is controlled in such a way that an additional charging current is supplied to the charging capacitor in the time regions around the passage of rectified half-waves through zero.
а) нагрузка (SNT) приложена к двухполупериодному выпрямителю (D1...D4),
b) предусмотрен вспомогательный выпрямитель (D1', D2'), от которого последовательная схема бустерной индуктивности (LB) и диода ведет к зарядному конденсатору, и
с) первый переключатель (SB) через управляющую схему (АВ) управляется таким образом, что во временных областях вокруг прохождений через нуль выпрямленных полуволн зарядный ток через бустерную индуктивность поступает на зарядный конденсатор (CL) и что предусмотрен второй управляемый переключатель (ST), через который нагрузка (SNT) соединена с зарядным конденсатором (CL) и который управляется через вторую управляющую схему (AT) таким образом, что во временных областях вокруг прохождений через нуль выпрямленных полуволн он периодически закрывается в такт двойной частоты сети.5. The circuit for rectifying the mains voltage for power supplies, in particular for switched power supplies from the mains, with a half-wave rectifier (D1 ... D4) applied to the mains voltage and a charging capacitor (CL) connected behind it, the charging capacitor being charged through a series a booster inductance (LB) and diode (DS) circuit, in which the connection point of the booster inductance with the diode is applied to the housing through the first controllable switch (SB), with a clock frequency that is significantly higher than the mains frequency, and the charging voltage was chosen higher than the maximum value of the network voltage characterized in that
a) the load (SNT) is applied to the half-wave rectifier (D1 ... D4),
b) an auxiliary rectifier (D1 ', D2') is provided, from which a series circuit of a booster inductance (LB) and a diode leads to a charging capacitor, and
c) the first switch (SB) through the control circuit (AB) is controlled in such a way that in the time regions around the passage through the zero of the rectified half-waves, the charging current through the booster inductance is supplied to the charging capacitor (CL) and that a second controlled switch (ST) is provided through which load (SNT) is connected to the charging capacitor (CL) and which is controlled via the second control circuit (AT) in such a way that it periodically closes in time areas around the passage through the zero of the rectified half-waves to the beat of the dual frequency network.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA2314/94 | 1994-12-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
RU97111787A true RU97111787A (en) | 1999-06-27 |
Family
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