UAV Factory GPU User Manual
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UAV Factory GPU User Manual

100 w generator power unit
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UAV Factory USA LLC.
50 South Buckhout Street,
Irvington, NY 10533 USA
Phone: +1 (914) 591 3070
Fax: +1 (914) 591 3715
Email:
josephm@uavfactory.com
100 W GENERATOR POWER UNIT
USER MANUAL 1.5
UAV Factory LTD. EUROPE
24A-52 Ganibu Dambis,
LV1005, Latvia
Phone: +371 29119398
Fax: +371 63048747
Email:
sales@uavfactory.com
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Summary of Contents for UAV Factory GPU

  • Page 1 100 W GENERATOR POWER UNIT USER MANUAL 1.5 UAV Factory USA LLC. UAV Factory LTD. EUROPE 50 South Buckhout Street, 24A-52 Ganibu Dambis, Irvington, NY 10533 USA LV1005, Latvia Phone: +1 (914) 591 3070 Phone: +371 29119398 Fax: +1 (914) 591 3715...

  • Page 2: Key Features

    1. Description 100 W Generator Power Unit (GPU) is designed to provide onboard dual voltage regulated power supply for the unmanned aircraft vehicles. Despite small size, power unit offers outstanding efficiency as well as unique features such as the ability to monitor load, battery current, engine rpm, generator and battery voltage through TTL serial communication.

  • Page 3: Electrical Specifications

    Maximum peak load current 10 A for 10 seconds Efficiency of 6 Volt output 85% typical Efficiency of 12 Volt output 90% typical No load GPU current 110 mA Tachometer range 1000-90000 rpm Tachometer accuracy 200 rpm Current sensor range...
  • Page 4 UAV Factory USA LLC. UAV Factory LTD. EUROPE 50 South Buckhout Street, 24A-52 Ganibu Dambis, Irvington, NY 10533 USA LV1005, Latvia Phone: +1 (914) 591 3070 Phone: +371 29119398 Fax: +1 (914) 591 3715 Fax: +371 63048747 Email: josephm@uavfactory.com Email:...
  • Page 5 3. Performance The GPU performance graphs are presented below. Efficiency for the 6 V output against the input voltage is shown in Figure 1, efficiency for 12 V output is shown in Figure 2. The maximum continuous power of the GPU is dependent on the ambient temperature and the ability to dissipate heat generated by the GPU.
  • Page 6 Load current 5 A Figure 2 Efficiency at 12 Volt output vs input voltage Figure 3 Allowable continuous power depending on ambient temperature UAV Factory USA LLC. UAV Factory LTD. EUROPE 50 South Buckhout Street, 24A-52 Ganibu Dambis, Irvington, NY 10533 USA...
  • Page 7 GPU is available in brushed or brushless versions. In the brushed GPU version, the brushed generator’s voltage output must be within 13-50 V range. If the voltage out is below 13 V, GPU will automatically switch to battery source. In the brushless GPU version, the 3-phase rectifier is used between the generator and the internal DC-DC converter of the GPU (refer to Figure 5).
  • Page 8 GPU can be used for both - brushed and brushless generators. Please state the required generator type in your order. The typical connection diagram for the brushless and brushed generator systems is shown in Figure 7 and Figure 8 respectively.
  • Page 9 RPM sensor Transmitter Serial GND External power connector Figure 8 Typical connection diagram for brushed generator UAV Factory USA LLC. UAV Factory LTD. EUROPE 50 South Buckhout Street, 24A-52 Ganibu Dambis, Irvington, NY 10533 USA LV1005, Latvia Phone: +1 (914) 591 3070...

  • Page 10: Short Circuit Protection

    The GPU has integrated short circuit protection for avoiding the regulator damage in case of a short circuit. In case multiple loads are used on the same voltage line it is highly recommended to use fuses- this will allow the GPU to operate in the event of load short circuit.

  • Page 11: External Power Supply

    The input voltage range should be in range of 13-50 Volts. 8. Connector Description GPU enclosure has two electrical connectors - J1 and J2, as seen on Figure 11. Pinout of J1 connector is shown in Figure 12 and is the same for both, brushed and brushless GPU configurations.
  • Page 12 Red mark Brushless generator RPM sensor Battery + External power + Figure 13 Connector J2 description (for brushless generator) UAV Factory USA LLC. UAV Factory LTD. EUROPE 50 South Buckhout Street, 24A-52 Ganibu Dambis, Irvington, NY 10533 USA LV1005, Latvia...

  • Page 13: Led Indication

    9. LED Indication Four indication LEDs are located on the front side of the GPU, see Figure 11 for reference. The main purpose of LEDs is to facilitate set-up procedure, simplify pre-flight checks as well as to provide clear identification of the battery status before the flight.

  • Page 14: Serial Communication

    Serial protocol uses 83 bytes packet and send it one per second, Figure 15 shows the output string format. This protocol is valid for GPU serial number starting from GPU0042. For older serial number, refer to the user manual version 1.4.
  • Page 15 Figure 15 Output string format UAV Factory USA LLC. UAV Factory LTD. EUROPE 50 South Buckhout Street, 24A-52 Ganibu Dambis, Irvington, NY 10533 USA LV1005, Latvia Phone: +1 (914) 591 3070 Phone: +371 29119398...
  • Page 16 12. Cable set with plug for J1 and J2 wiring Cable set with plug for J1 and J2 can be optionally ordered from UAV Factory. Figure 16 shows cable set schematic diagram for J1 and J2. Cable set is labeled to specify connection of each wire. For description of connections please refer to Table 1.

  • Page 17: Order Information

    Author Voltage range is added for BLDC generator 5/15/2012 in electrical specification Tachometer range is extended to 90000 2/11/2013 UAV Factory USA LLC. UAV Factory LTD. EUROPE 50 South Buckhout Street, 24A-52 Ganibu Dambis, Irvington, NY 10533 USA LV1005, Latvia...

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