Drive Electric
Developing efficient, personal transportation for the 21stCentury
At Drive Electric we are committed to developing an efficient, two passenger, electric car. A personal transportation vehicle that is an innovative combination of the best of today's technology; sleek, aerodynamic styling; and conventional, lead-acid, traction batteries.

Zilla DC Motor Controller and Accessories

The Zilla motor controller package is now available. Please click here for details for the manufacturer's suggested retail prices.

These units are by far the most powerful motor controller available for Electric Vehicles.
Exceptionally high power density has been achieved by a novel design which pays careful attention to maximizing efficiency. Many years of development, extensive testing, and using only the best parts insures reliability.
The result is a race tested reliable package like no other.

In addition, it's a controller that can make your EV wickedly quick.

Much attention in designing the new Z2K has been given to safety. From carefully monitoring that the controller comes up to voltage, communicates properly and checks the integrity of the output stage before engaging the main contactor, to the dual microprocessors that cross check and each have independent means of shutting the system off, there is no other DC EV controller that approaches this level of security.

The Z2K is the only controller that allows adjustment of multiple limits on battery voltage, battery current, motor current, motor voltage, RPM and more. These are not only important for going as fast as possible without blowing up motors and batteries, but also allow adjustment of the unit to prolong motor and battery life in street applications.

The Zilla works excellently with single motor systems, but realizing that many of the quickest EVs use dual motors, the Hairball interface also has a option for safe automatic Series/Parallel shifting of dual motors for even more power and efficiency.

It is no surprise that all of the worlds quickest Electric Vehicles use Zilla controllers, and with the release of the Zilla line we now offer new, much refined, more powerful units which can also excel in street applications. The Z1K in particular has become very popular for street conversions due to its superior feature set and low price.



Zilla Specifications
  • Maximum nominal input voltage range for Lead Acid batteries: 72 to 348 Volts.
  • Absolute maximum fully loaded input voltage range: 36 to 400 Volts
  • Maximum motor current at 50°C heatsink temperature: 2000 Amps for Z2K, 1000 Amps for Z1K
  • Maximum Battery Current at 200V: 1900 Amps for Z2K, 950 Amps for Z1K
  • Maximum Battery Current at 300V: 1770 Amps for Z2K, 885 Amps for Z1K
  • Maximum Battery Current at 400V: 1600 Amps for Z2K, 800 Amps for Z1K
  • Continuous motor current @ 50°C coolant temp & 100% Duty Cycle: over 700 Amps for Z2K, 350 Amps for Z1K
  • Peak Power: 640,000 Watts for Z2K, 320,000 Watts for Z1K
  • PWM frequency 15.7 kHz
  • Power devices IGBT
  • Voltage Drop: < 1.9 Volts at maximum current.



Features of the Zilla controllers:
  • Simply, the most powerful controller in the industry, by far.
  • Backed by over ten years of experience making the worlds quickest controllers, and a factory warranty.
  • Water cooling for sustained high power operation.
  • 2000 motor Amps available with proper cooling for Z2K, 1000 Amps for Z1K.
  • Multiple Microprocessors which cross check for security and safety.
  • Full motor current limit control with smooth temperature cutback.
  • Silent high frequency operation.
  • Compact size.





Hairball Interface

The Hairball interface is required to run the Zilla controller.
It enables many new features and safeties which are listed here:
  • Control connections to the Hairball are low voltage and referenced to the vehicle 12V ground for safety.
  • Controller precharge circuit is included with self resetting fuse and arc-less main contactor control.
  • Uses standard 5 K ohm potentiometer for pedal input. (not supplied in package)
  • Custom "accelerator to amps" transfer function for smooth starts, even in high voltage systems.
  • Standard RS-232 serial port for adjusting controller parameters.
  • Programmable motor voltage and current limits.
  • Programmable battery voltage and current limits.
  • Valet mode to allow yet another set of settings on the fly with the flip of a switch.
  • Two motor speed inputs for overspeed limiting of one or two motors.
  • Separate voltage, current and speed limit adjustment for reverse.
  • Adjustable low battery voltage protection.
  • Additional battery voltage indicator set point for operating a dash warning light.
  • More than forty status and error codes insure easy diagnostics in case of faults.
  • No serial terminal is required to read and clear status and error codes.
  • Main contactor voltage drop and stuck contactor monitoring.
  • Pulse output for driving a standard 4 or 6 cylinder tachometer.
  • Two dash light outputs for driving a check engine light and low battery indicator.
  • Stalled rotor protection to reduce the possibility of damaged commutators. (requires motor speed sensor, not included)
  • Optionally, up to six high side contactor drivers allow arc-less control of electric reversing and series parallel switching of dual motor systems.
  • Autoshift automatically shifts dual motors from series to parallel and back again at the optimum time for more power and efficiency.
  • Hairball code with new features can be downloaded as it is developed by means of the bootloader and flash memory, using your home computer.




Dimensions

Dimensions of the Zilla Z2K 2000 Amp Controller:
7.00" Wide, 4.63" High, 14.75" Long, Weight 29.5 lb.

Dimensions of the Zilla Z1K 1000 Amp Controller:
7.00" Wide, 4.63" High, 9.00" Long, Weight 15.5 lb.

Dimensions of the Hairball:
3.5" Wide, 1.75" High, 10" Long

Shipping weight of Z2K Package is 37 lb. Z1K is 21 lb.



Warranty

A 12 month written warranty is in the installation manual below.



Installation Manual

Please download a copy of the Zilla Manual The manual has details on installation and warranty.






     
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