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Method of controlling power transmission to a load

專利號
US11996782B2
公開日期
2024-05-28
申請人
Manvel Zakharian（CA Laval）
發(fā)明人
Manvel Zakharian
IPC分類
H02M5/04; H01H33/59; H02M5/06; H02M5/08; H02M5/22; H02M5/275; H02M5/293
技術(shù)領(lǐng)域
switching,fig,voltage,said,crat,load,capacitor,capacitors,charging,irat
地域： Laval

摘要

The method of controlling power transmission to a load permits: to eliminate over-voltage in an electric circuit; to decrease energy losses and time of charging of an energy storing device; to increase service life of switches and provide very high reliability of power transmission to a load. The conception is following: controlling power transmission to a load from additional circuit so that current can be transferred from additional circuit to operating circuit (circuit with a load) and vice versa from operating circuit to additional circuit without interruption (without switching off) circuit of the load.

說明書

The values of IRAT and URAT (rated voltage) are known for a load which has been made and can be found from description of said load.

In case of a short circuit between terminals (C and D) of said load, current ISHC will be limited, and its value ISHC will be:
ISHC=CMAX×√2×120×240??(4)

A capacitor device 3 (FIG. 3, FIG. 35 with FIG. 6), including 3 capacitors with capacities CRAT, CMAX and CMIN, can provide currents IRAT, IMAX and IMIN by switching on and switching off appropriate switching devices S1, S2 and S3. Capacities CRAT, CMAX and CMIN can be determined from equations 5, 6 and 7.
IRAT=CRAT×√2×(120?URAT)×240??(5)
IMAX=CMAX×√2×(120?UMAX)×240??(6)
IMIN=CMIN×√2×(120?UMIN)×240??(7)

Current ISHC (the equations 4) is usual current because it cannot evoke harmful effects on the technical solutions described above and below.

Voltage source 1 with a voltage transformer (FIG. 33) can smoothly change current from IMAX to IMIN by changing output voltage, when capacity of said capacitor device (FIG. 6) is equal to CMAX.

權(quán)利要求

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