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CHARGE REGULATOR AND MONITOR FOR SPACECRAFT SOLAR CELL/BATTERY SYSTEM CONTROL

  • US 3,740,636 A
  • Filed: 11/05/1971
  • Issued: 06/19/1973
  • Est. Priority Date: 11/05/1971
  • Status: Expired due to Term
First Claim
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1. In combination with spacecraft electrical power system including a spacecraft, a battery aboard said spacecraft, charging source means for supplying charging current to said battery, and an electrical load for drawing discharge current from said battery, a first resistance means disposed internal to said spacecraft, a second resistance means disposed external to said spacecraft, each of said first and second resistance means being connected electrically to said charging source means in circuit multiple with said battery and being effective when supplied with energy in the form of current from said charging source means to dissipate said energy as heat, means for measuring the internal temperature of said spacecraft, and shunt control means responsive to said temperature measuring means for selectively energizing said first and second resistance means with current from said charging source means to maintain a substantially constant temperature internal to said spacecraft.

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