Circuit Documentation

Summary

This document provides a detailed overview of a solar power system circuit. The circuit includes components such as solar panels, batteries, inverters, and various control and protection devices. The system is designed to harness solar energy, store it in batteries, and convert it to AC power for use in household appliances. The circuit also includes safety features like circuit breakers and low voltage disconnects to protect the components and ensure reliable operation.

Component List

1. ATS (Automatic Transfer Switch)

   • Pins: 1, N, 2
   • Description: Switches between different power sources automatically.

2. Solar Panel

   • Pins: gnd, vcc
   • Description: Converts sunlight into electrical energy.

3. 12V Battery

   • Pins: GND, VCC
   • Description: Stores electrical energy for later use.

4. Solar Charger

   • Pins: VCC SOLAR, GND SOLAR, VCC, GND
   • Description: Regulates the charging of the battery from the solar panel.

5. 7-Segment Panel Voltmeter

   • Pins: V+, V-
   • Description: Displays the voltage of the system.

6. LM2985

   • Pins: IN+, IN-, OUT+, OUT-
   • Description: Voltage regulator.

7. AC Breaker

   • Pins: None
   • Description: Protects the circuit from overcurrent.

8. Socket

   • Pins: earth, life, neutral
   • Description: Provides AC power to household appliances.

9. Circuit Breaker

   • Pins: -, +
   • Description: Protects the circuit from overcurrent.

10. Low Voltage Disconnect

    • Pins: VIN -, VIN +, VOUT -, VOUT +
    • Description: Disconnects the load to prevent battery over-discharge.

11. Split Switch Relay

    • Pins: VCC, vcc+, gnd-
    • Description: Controls the switching of circuits.

12. Inverter 12V

    • Pins: +12, - 12v, 220v
    • Description: Converts DC power to AC power.

13. Power Supply

    • Pins: L, N, COM, V+
    • Description: Provides regulated power to the circuit.

Wiring Details

ATS (Automatic Transfer Switch)

• Pin 1: Connected to AC Breaker
• Pin N: Connected to AC Breaker, Power Supply
• Pin 2: Connected to Power Supply

Solar Panel

• Pin gnd: Connected to Circuit Breaker
• Pin vcc: Connected to Circuit Breaker

12V Battery

• Pin GND: Connected to Circuit Breaker, Low Voltage Disconnect, 7-Segment Panel Voltmeter
• Pin VCC: Connected to Circuit Breaker, Low Voltage Disconnect, 7-Segment Panel Voltmeter

Solar Charger

• Pin VCC SOLAR: Connected to Circuit Breaker
• Pin GND SOLAR: Connected to Circuit Breaker
• Pin VCC: Connected to Circuit Breaker, Split Switch Relay
• Pin GND: Connected to Circuit Breaker, Inverter 12V

7-Segment Panel Voltmeter

• Pin V+: Connected to 12V Battery, Low Voltage Disconnect
• Pin V-: Connected to 12V Battery, Low Voltage Disconnect

LM2985

• Pin IN+: Connected to Split Switch Relay, Low Voltage Disconnect
• Pin IN-: Connected to Split Switch Relay, Low Voltage Disconnect
• Pin OUT+: Not connected in the provided net list
• Pin OUT-: Not connected in the provided net list

AC Breaker

• Pins: Connected to ATS, Inverter 12V, Socket

Socket

• Pin earth: Not connected in the provided net list
• Pin life: Connected to AC Breaker
• Pin neutral: Connected to AC Breaker

Circuit Breaker

• Pin -: Connected to Solar Panel, Inverter 12V, Solar Charger, 12V Battery, Low Voltage Disconnect
• Pin +: Connected to Solar Panel, Inverter 12V, Solar Charger, 12V Battery, Low Voltage Disconnect, Split Switch Relay

Low Voltage Disconnect

• Pin VIN -: Connected to 12V Battery, Circuit Breaker, 7-Segment Panel Voltmeter
• Pin VIN +: Connected to 12V Battery, Circuit Breaker, 7-Segment Panel Voltmeter
• Pin VOUT -: Connected to LM2985, Split Switch Relay
• Pin VOUT +: Connected to LM2985, Split Switch Relay

Split Switch Relay

• Pin VCC: Connected to Inverter 12V, Circuit Breaker, Solar Charger
• Pin vcc+: Connected to LM2985, Low Voltage Disconnect
• Pin gnd-: Connected to LM2985, Low Voltage Disconnect

Inverter 12V

• Pin +12: Connected to Split Switch Relay
• Pin - 12v: Connected to Circuit Breaker, Solar Charger
• Pin 220v: Connected to AC Breaker

Power Supply

• Pin L: Connected to ATS
• Pin N: Connected to ATS
• Pin COM: Not connected in the provided net list
• Pin V+: Not connected in the provided net list

Code

No microcontroller code is provided for this circuit.

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This document provides a comprehensive overview of the components and their connections in the solar power system circuit. Each component is described, and detailed wiring information is provided to ensure proper assembly and operation of the circuit.