China DCES Multifunctional Device for Variable-Frequency Drive Protection - Reliable Supplier & Factory Solutions

Introducing the DCES, a cutting-edge multifunctional electrical safety active defense device tailored for low-voltage frequency converters. This essential solution effectively manages voltage fluctuations and short-term interruptions, ensuring optimal performance in real-time. Designed by premier China suppliers, the DCES incorporates advanced supercapacitors for energy storage, delivering stable DC power as a reliable backup source for frequency converters.

During standard operation, the DCES remains completely isolated from the frequency converter, entering a hot standby state when power grid voltage remains stable. As soon as voltage fluctuations occur within the designated protection zone, the DCES activates, safeguarding the frequency converter's operation. Once power is restored, the device seamlessly transitions back to standby mode while the frequency converter resumes drawing power from the grid. In scenarios where external interlocking inputs engage or the frequency converter ceases operation, the DCES efficiently switches to hot standby mode.

Trust in our factory to provide you with state-of-the-art safety solutions like the DCES, ensuring your operations remain continuous and protected from electrical disturbances.

Product Detail

Functional features

DCES can effectively compensate for 100% voltage sag.
DCES can effectively address voltage transient problems caused by various power system faults such as single-phase short circuits, interphase short circuits, and three-phase short circuits.
DCES can achieve rapid response of the entire machine within 5ms, and the entire compensation process does not affect the operation of sensitive loads.
DCES can be customized according to user requirements for compensation time, load capacity, and other parameters.
After DCES is turned on, the program will self check and the entire process does not require human intervention. DCES communicates with the user‘s DCS fieldbus through the RS485 interface, uploading the status of the DCES equipment itself and the power supply situation of the power system.

Products advantage

Segmented synthesis, real-time online, and rapid monitoring technology for AC bus voltage fluctuations and inverter DC voltage fluctuations.
Real time detection of multiple loads and independent protection technology.
Multiple load independent feedback, separate control, and branch output technology.
Intelligent energy management technology can increase shaking protection time by up to 3000%.
Supports up to 4 AC bus voltage fluctuations for simultaneous monitoring.
Supports up to 96 independent outputs.

Detail pictures

Frequently Asked Questions

What is the voltage sag compensation capability of DCES?

DCES can effectively compensate for 100% voltage sag, ensuring continuous and stable power delivery.

How fast does the DCES respond to power system faults?

DCES achieves an extremely rapid response within 5ms. The entire compensation process operates seamlessly without affecting sensitive loads.

What types of voltage transient problems can DCES address?

It effectively addresses voltage transients caused by various power system faults, including single-phase short circuits, interphase short circuits, and three-phase short circuits.

Can the DCES system be customized for specific applications?

Yes, DCES can be customized based on specific user requirements for parameters such as compensation time, load capacity, and more.

Does DCES require manual intervention to operate?

No, once turned on, the system performs an automatic self-check. The entire process runs without human intervention, uploading equipment status and power system data to the user's DCS fieldbus via an RS485 interface.

How many monitoring channels and outputs does the system support?

DCES supports simultaneous monitoring of up to 4 AC bus voltage fluctuations and is capable of handling up to 96 independent outputs.