Quanzhou Ausenist Technology Co., Ltd -
How Automatic Pump Rotation Supports Balanced Maintenance
Use YS620 or YS820 pump rotation to distribute operating hours while maintaining a clear service and standby strategy. -
How to Audit a Chinese Pump VFD Supplier's Technical Capability
Audit a pump VFD supplier through application questions, documentation, testing, parameter control, support evidence and customization governance. -
50Hz vs 60Hz: What Overseas Buyers Must Check When Ordering a Pump VFD
Check grid frequency, motor nameplate, pump curve, maximum speed and pressure before supplying YS620 or YS820 across 50Hz and 60Hz markets. -
How to Choose a Constant Pressure Water Pump VFD for Industrial Systems
Learn how to select a constant pressure water pump VFD by voltage, motor power, pressure sensor, protection functions and multi-pump control requirements. -
Which Pressure Sensor Signal Should You Use With a YS820 Pump Drive?
Compare 0.5-4.5V, 0-5V and 4-20mA feedback options for YS820 constant-pressure pump control. -
One Pump Drive for PMSM and Induction Motors: Understanding the YS820
Learn how the YS820 supports V/F control for asynchronous motors and vector control for permanent-magnet synchronous pump motors. -
Master-Auxiliary vs Synchronous Multi-Pump Control With the YS820
Compare YS820 master-auxiliary and synchronous multi-pump control modes for constant-pressure water systems. -
Using the YS820 for Constant-Pressure Agricultural Irrigation
Plan a YS820 irrigation pump system using pressure feedback, sleep control, water-shortage protection and multi-pump operation.