SCE905-001-01A
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The SCE905-001-01A servo drive delivers a continuous output current of 15.9 A at 25°C, operates on a single-phase input voltage range of 90-264 VAC, and ensures a power stage efficiency of 95%. Part of the SCE900 Servo Drives by Pacific Scientific, it supports motor power cable lengths up to 50 meters and a maximum output power of 0.80 kW.
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Product Description:
The Pacific Scientific’s SCE905-001-01A Servo Drive is able to supply 7.5 kW continuous output power in three-phase systems to provide steady torque to motors under continuous operation. This drive’s continuous output current is 15.9 A at 25°C with convection cooling to ensure reliable power without needing any other forced-air cooling systems.
The peak current capacity of this SCE905-001-01A Servo Drive is up to 31.8 A, which makes it capable of managing overloads and dynamic operating needs with precision and reliability. In situations demanding brief bursts of higher output, the maximum output power of this drive reaches up to 15 kW at 400 VAC to support machines needing an occasional high-torque output. Physically, this drive occupies a space-saving form factor of 370 mm x 160 mm x 229 mm and has a weight of just 9.5 kg, which makes it simple to install in confined spaces. The power stage efficiency of this servo drive is 97% to reduce energy loss and heat generation in the conversion process, and to improve overall system performance. Optimized for flexibility, this servo drive has an input range of 90–264 VAC and supports single-phase input at 47–63 Hz, which ensures easy integration into worldwide electrical infrastructure.
This drive also has an integral shunt regulator, which takes care of peak power up to 8 kW for 350 milliseconds and 200 W continuous power, allowing it to release excess regenerative energy safely in stoppage conditions. The 20 kHz output current ripple frequency of this drive minimizes torque ripple and offers smoother motor operation, which is essential for precision tasks. The SCE905-001-01A can work within an installation altitude of 1500 meters (5000 feet) without performance derating, thus it can be deployable in various industrial applications. For non-operational conditions, the storage temperature range of this servo drive is between -40°C to 70°C to shield inner components from transport or idle damage.
Frequently Asked Questions about SCE905-001-01A:
Q: How does the 97% power stage efficiency benefit the system?
A: It reduces energy loss and minimizes heat generation, improving overall system reliability. This also lowers the need for additional cooling solutions.
Q: Why is a 20 kHz output ripple frequency important in servo applications?
A: Higher ripple frequency minimizes torque ripple, ensuring smoother and quieter motor operation, especially in precision applications.
Q: How does the convection cooling method work in the SCE905-001-01A?
A: Convection cooling disperses heat through natural airflow, reducing noise and removing the need for fans in low-dust environments.
Q: What role does the 8 kW shunt peak power play during motor braking?
A: It safely absorbs and dissipates regenerative energy during deceleration, preventing overvoltage conditions in the DC bus.
Q: Why is the wide input voltage range of 90–264 VAC useful?
A: It allows the SCE905-001-01A to operate across different regions without needing voltage converters, improving installation flexibility.
