LUTZE DRIVEFLEX® VFD Cables
for power and signal from VFD to electric motor
Compared to traditional PVC/Nylon power tray cables or THHN wires in conduit, DRIVEFLEX® VFD cables offer a safer and more efficient connection between VFD and electric motor. Designed to meet electrical challenges in VFD and Servo applications, the entire DRIVEFLEX® series incorporates thermoset XLPE insulation, a low capacitance, high overload and short circuit temperature rated cable ideal for high voltage spikes and long cable runs. Dual copper shields (foil + braid) help manage high electrical noise levels around the cable. High strand counts and UL listin for Flexible VFD SerVO Cable makes DRIVEFLEX® the most flexible VFD cable in its class.
Adding VFDs allows for control over rotational speed and torque of electrical motors and are used in a wide variety of industries to coordinate speeds and accelerations of multiple motors working together in one machine.
Drive cable such as DRIVEFLEX® provides a dual-layer shield consisting of 100% coverage foil-shield and 80% braid-shield which effectively shields against high and low frequencies. DRIVEFLEX® Modern Drive cable also provides proper ratings to install the cable without the use of conduit saving time and money.
DRIVEFLEX® FAQs
We get a lot of questions about our DRIVEFLEX® products, so we’ve put together some recently asked questions.
- Why Use a Drive Cable? Many installations still use THHN wire pulled through conduit, which isn’t recommended. Drive cable such as DRIVEFLEX® provides a dual layer shield consisting of 100% coverage foil-shield and 80% braid-shield therefore effectively shielding against high and low frequencies. Modern drive cable such as DRIVEFLEX® provides proper ratings to install the cable without the use of conduit saving time and money.
- Why Are VFDs so important?
Adding VFDs allows electrical control over rotational speed and motor torque. Adding a Drive allows to conserve energy by using just the right amount of energy needed instead of wasting energy by running at full speed all the time. VFDs are used in a wide variety of industries to:
– Limit acceleration, speed, start up currents, torque or inrush currents, e.g. in elevators or when handling fragile goods.
– Conserve energy, e.g. by reducing the speed of ventilation fans.
– Controlling air or water flow with electrical pumps or fans.
– Coordinate speeds and accelerations of multiple motors working together in one machine. - What Type of Motor is typically used with VFDs? In VFD applications it is common to use electric motors that were originally designed for fixed-speed mains voltage operation. This is due to the fact that pre-existing machinery is often upgraded later to be used with a VFD device. In most cases it is not necessary to replace the motor although motors that are designed specifically for VFD operation would offer better performance and higher reliability. Today, the most common motor type used with VFD is a three-phase AC induction motor. However, variable-frequency motors (inverter rated motors) are becoming more popular.