Embedded Files
Power Consumption and Delivery
Power Consumption and Delivery
Thrusters? Connected
Thrusters? Connected
To power the Blue Robotics T200 thrusters, the system needs a battery that can handle some time in a full throttle position while also powering the boat during the duration of the challenges and gates. Currently, we have two Zeee batteries (one of them for replacement) with a configuration of 4S1P delivering 14.8V with a capacity of 10Ah.
Let's take a closer look:
Let's take a closer look:
To select AquamaRUM's thruster battery it was calculated that a cost effective solution would involve a battery with a sufficiently high maximum throttle, while handling the majority of its operation at a lower throttle percentage (50%-75%).
Importantly, a 5S battery has a minimum operating voltage of 18.5V, however charges up to 21V, which surpasses the maximum voltage of the T200 thruster.
For these reasons, an adequate battery pack configuration would be 4S8P delivering 14.8V with a capacity of 20Ah, able to handle 10 minutes of full throttle while remaining above 50% battery charge, while lasting 50 minutes at 75% throttle, and more than 2 hours at 50% throttle.
Computers? Powered
Computers? Powered
The team uses two 7,000 mAh 77.7Wh 11.1V Zeee Battery Pack, by connecting them in parallel we will have 14,000mAh of capacity that will power the 12V components through a fuse block. Based on calculations, the system will consume 65.6 Wh with all components at max power. Therefore, the boat can operate at maximum power for 1.5 hours and still have 37% of the energy in the battery as reserve.
E-Stop
E-Stop
Physical
Physical
Wireless
Wireless
Besides from the physical kill switch, AquamaRUM also counts with a wireless kill switch binded to one of the remote controller’s switches. These work by being connected together with two in-series relays that control the power delivery to the thrusters. The vessel was tested at full throttle and by flipping the switch it immediately stopped and disconnected power to the thrusters.
Constant Improvements
Constant Improvements
Battery Telemetry
Battery Telemetry
Cable Management
Cable Management
What we use
What we use
Zeee
Husky
Wago Connectors
Klein Tools
Gens Ace
BattAir
Google Sites
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