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NPS-600/Buck Boost
Regulator
eCycle, Inc. and
Navitas Technologies, have
created a superior product. The NPS600
Buck/Boost Regulator is the company’s latest power conversion
offering, and ideally compliments the innovative SolidSlot™
brushless motor/generator. This controller/regulator is designed
for low voltage, high current applications, such as electric and
hybrid vehicles, mobile power generation and integrated
starter/alternators. To our knowledge, the combination of
technical inroads, capabilities and control circuitry has never
before existed.
Features
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Super low resistance
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High current
capacity
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High power
density
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Rugged
construction
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Low Mass
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Effective air or
liquid cooling
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User
programmability in production models
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Enables
regenerative braking
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Operation
Buck/boost
means the topology allows the DC input voltage to be higher or
lower than the output voltage, making it useful for
many applications. It can
function as
a power supply for bi-directional and uni-directional speed
control, and as a voltage regulator. The Buck/Boost Regulator
uses inductors (low pass filters) that are minimized in
size, mass and resistance through the use of high frequency.
The
Buck/Boost Regulator operates in several ways:
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As a
conventional speed control with regeneration: |
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By varying
voltage, speed is varied |
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By varying
current, torque is varied |
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Regen
voltage and current are limited to protect batteries and
circuitry |
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As a
regulator with fixed voltage output, independent of input: |
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By boosting
up |
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By bucking
down |
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Specifications |
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NPS600 |
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Rated to
48VDC (nominal 56VDC) and 400A continuous, 600A peak |
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External, flat coil pot core inductors |
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PMW
frequency is 55kHz per each of two phases for a total
effective frequency of 110 kHz |
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NPS180i |
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Fully
enclosed, lower power configuration |
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28VDC and
180A |
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PWM
frequency 400kHz per each of two phases for an effective
frequency of 800kHz |
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A 42VDC
version may eventually be offered |
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