Description

Many products have not been listed yet. For more products, please contact us

　　If the product model is inconsistent with the displayed image, the model shall prevail. Please contact us for specific product images, and we will arrange for photos to be taken and confirmed in the warehouse

　　We have 16 shared warehouses worldwide, so sometimes it may take several hours to accurately return to you. We apologize for any inconvenience caused. Of course, we will respond to your concerns as soon as possible.

　　Woodward’s 8237-1601 allows failure detection in Overspeed system components to be repaired or replaced while the monitored system continues to operate online.

　　Product Description

A panel mounts over acceleration detection device from Woodward is model 8237-1601. It’s part of the Protech-GII series and works with any size turbine. It can be used on any turbine powered by steam, gas, or water, and will safely shut them down if they begin to accelerate too quickly. Each of the three independent relays has individual alarms. Model 8237-1601 uses two out of three voted architecture and two dual relay outputs. The sulfur-resistant conformal coating allows for this safety device to be used in class 3C2 environments. It has the international standard of IEC 721-3-3 1994.

Model 8237-1601 uses three separate modules, allowing for one to be worked on while the others are functioning. It can be configured to run over speed tests using an internal generator, and the results of these will be logged. The backplane design makes repairs and replacements easy and straightforward. In addition to acceleration detection, this safety device also uses open-wire MPU detection. This product is equipped with Modbus communication, in addition to high voltage and low voltage power inputs.(https://www.weikunfadacai1.com/)

 

　　Acceleration Detection

Optionally the ProTech-GII can be configured to protect a turbine from high acceleration events also. The derivative of the speed signal is used to detect turbine acceleration and issue an associated trip command.

　　MPU Detection

Each module’s speed sensor input uses special MPU open-wire detection circuitry to validate that the MPU is properly connected before turbine operation, and special loss-of-speed detection logic to validate MPU functionality during turbine operation.(https://www.weikunfadacai1.com/)

　　Automatic Overspeed Test Routine

Optionally the ProTech-GII can be configured to routinely perform an overspeed test of each module, then log and report the test results. With this test routine, each module goes through its test sequence using an internal frequency generator to simulate an overspeed condition.

　　Sulfur Contamination Resistant

The ProTech-GII utilizes a special conformal coating material that has demonstrated excellent long-term protection against H2S and SO2 gases at levels classified in international standard IEC 721-3-3 1994 – environment Class 3C2.

　　On-line Repair

The ProTech-GII’s triple-modular design allows users to easily replace one of its modules (A, B, C) while the turbine is on-line and operating normally. Ease of replacement is enhanced by the unit’s backplane plug-and-operate structure, and its module-to-module learning function.

　　Reviews For 8237-1601

　　Depending on the ProTech-GII model purchased, the internal modules will accept either two high voltage input power sources or one HV input power source and one low voltage input power source.

　　Model recommendation:

WOODWARD 8237-1368