ZF900-E medium to high power servo variable frequency driveThe medium to high power universal servo frequency drive is a
high-end driving equipment developed by our company that combines
servo control and frequency conversion technology. It is designed
specifically for high load and high-precision industrial scenarios
and has a wide range of applications in fields such as power,
metallurgy, petrochemicals, mining machinery, and rail transit. Key Features- High power density and wide speed range: Support kilowatt to
megawatt level power output to meet the requirements of heavy-duty
equipment. The speed ratio can reach 1:10000 or more, with a speed
accuracy of ± 0.01%, suitable for complex working
conditions. Typical case: Metallurgical rolling mill achieves
stepless speed regulation from 0-3000r/min through frequency
converter, with speed fluctuation<0.5%.
- Strong overload capacity and dynamic response: 3 times
overload capacity for 1 minute, 1.5 times overload for continuous
operation, suitable for instantaneous impact loads. The
acceleration and deceleration time is less than 50ms. If an
elevator uses a frequency converter, it can achieve an acceleration
of 2m/s ² to ensure smooth operation.
- Multi axis synchronization and interpolation control: Supports 4-16
axis synchronous control, with a positioning accuracy of ± 1 arc
second, meeting the high-precision requirements of CNC machine
tools, robots, and others. The electronic gear ratio function
achieves precise matching of speed/position between different
shafts with an error of less than 0.001mm.
- Energy efficiency optimization and energy feedback: Adopting vector
control and direct torque control, the efficiency is ≥ 97%, saving
20% -40% energy compared to traditional equipment. The energy
feedback unit can feedback braking energy to the power grid with a
feedback efficiency of>90%.
Application- Heavy industry sector
Mine hoist: The frequency converter drives the hoist motor,
achieving ± 0.1m/s speed control and overload protection response
time<10ms.
Oil drilling rig: By controlling the speed of the mud pump through
a frequency converter, the pressure fluctuation is less than 2%,
which extends the service life of the equipment. - High-end equipment manufacturing
Numerical Control Machine Tool: The spindle frequency converter
achieves stepless speed regulation from 0-24000r/min, with a
machining accuracy of ± 0.005mm.
Industrial robot: Six axis servo frequency converter achieves ±
0.01mm repeatability positioning accuracy and trajectory tracking
error<0.1 °. - New Energy and Infrastructure
Wind power generation: The doubly fed frequency converter achieves
maximum power point tracking (MPPT), increasing power generation
efficiency by 5% -8%.
Rail transit: The output torque fluctuation of the traction
frequency converter is less than 2%, meeting the acceleration
requirements of the subway from 0-80km/h.
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