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Active Speed Sensor CS-3-M16-L190: The Reliable Choice for Low-Speed Measurement in Power Plants

Active Speed Sensor CS-3-M16-L190: The Reliable Choice for Low-Speed Measurement in Power Plants

When monitoring the operation of boiler feed pumps in power plants, speed sensors play a critical role in ensuring the safe and stable operation of the equipment. When feed pumps operate at extremely low speeds, traditional passive speed sensors often struggle to produce accurate and reliable data. However, the active speed sensor CS-3-M16-L190 offers significant advantages in this scenario. Below, we will discuss the value of active speed sensors in extremely low speed measurement to help power plant operators and maintenance personnel better select and use these sensors.

 

1. The Critical Role of Speed ​​Sensors in Boiler Feed Pumps

Boiler feed pumps are core equipment in power plants, and their operating status directly impacts the stability and efficiency of the entire plant. During feed pump operation, speed sensors must monitor pump speed changes in real time, providing critical data to the control system. Accurate speed measurement effectively prevents problems such as cavitation, vibration, and mechanical damage caused by extremely low speed operation.

Active Speed Sensor CS-3-M16-L190

During startup, shutdown, and low-load operation, speed sensors must accurately measure extremely low speeds, such as 5-10 rpm. Under these special operating conditions, the performance of speed sensors directly impacts the safe operation of equipment. Therefore, selecting the appropriate speed sensor (especially active speed sensors designed for extremely low speed measurement) becomes a critical decision in power plant operations and maintenance.

 

2. Basic Differences Between Active and Passive Speed ​​Sensors

Speed ​​sensors are primarily categorized as active and passive. Passive speed sensors (such as common magnetoelectric sensors) rely on magnetic field changes caused by mechanical motion to generate signals. Active speed sensors CS-3-M16-L190 have built-in electronics, require an external power supply, and generate signals through active detection.

 

In practical applications, passive speed sensors perform well at high speeds. However, at extremely low speeds, the small magnetic field fluctuations result in low signal strength, making them easily affected by system noise and resulting in inaccurate measurements. In contrast, active speed sensors, through built-in amplification circuits and signal processing modules, effectively amplify weak signals, ultimately providing more accurate measurement results.

 

3. Core Advantages of Active Speed ​​Sensors in Ultra-Low Speed ​​Measurement

Active speed sensors, such as the CS-3-M16-L190, offer five key advantages in ultra-low speed measurement:

Active Speed Sensor CS-3-M16-L190

First, they offer enhanced signal stability. Active speed sensors have built-in signal amplification and filtering circuits, effectively improving the signal-to-noise ratio at extremely low speeds. Even at speeds below 5 rpm, they can output stable and reliable signals, eliminating the signal jitter or dropouts often associated with passive sensors.

 

Second, they offer a wider measurement range. The CS-3-M16-L190′s measurement range extends down to 2 rpm, far exceeding the 10-15 rpm lower limit of passive sensors. This allows power plants to more comprehensively monitor feedwater pump status during startup, shutdown, and low-load operation, ensuring data from critical speed ranges is not missed.

 

Third, they offer faster response times. Active speed sensors can more promptly detect speed changes. For example, when a feedwater pump starts, the moment the speed starts to rise from 0, they can immediately provide accurate data, providing timely feedback to the control system and helping it adjust its operating strategy more quickly.

 

Fourth, they offer superior anti-interference capabilities. Power plants are prone to numerous sources of electromagnetic interference (such as signal radiation from other electrical equipment). Active speed sensors have built-in anti-interference features that effectively filter out external noise, ensuring accurate measurement of extremely low speeds. Passive sensors are prone to false alarms in such environments, compromising monitoring effectiveness.

 

Finally, they offer easier installation and maintenance. The CS-3-M16-L190 active speed sensor is simpler to install and has more relaxed mounting requirements, eliminating the need for frequent positioning adjustments. Furthermore, its standard and stable signal output reduces the difficulty of system debugging and reduces long-term maintenance costs.

 

4. The Importance of Ultra-Low Speed ​​Measurement for Safe Power Plant Operation

Accurate measurement of extremely low speeds is particularly important for the operation of boiler feedwater pumps. When feedwater pumps operate at extremely low speeds, cavitation is prone to occur. This occurs when bubbles form inside the pump. When these bubbles burst, they severely impact the pump impeller, shortening equipment life. Furthermore, at extremely low speeds, equipment lubrication conditions deteriorate, accelerating bearing wear, potentially leading to equipment failure or even shutdown.

Active Speed Sensor CS-3-M16-L190

Accurately measuring extremely low speeds helps control systems adjust operating parameters in a timely manner, preventing equipment from operating under hazardous conditions. For example, when starting a feedwater pump, the control system must rely on accurate speed data to determine whether safe operating conditions have been met, avoiding unintended speed increases. During shutdown, precise monitoring of the speed reduction process is also necessary to ensure a smooth shutdown and minimize mechanical shock.

 

The high-precision measurement capabilities of the CS-3-M16-L190 active speed sensor enable power plants to manage boiler feedwater pump operations more safely and efficiently, preventing equipment damage or downtime caused by inaccurate speed measurement, and indirectly safeguarding the overall power generation efficiency of the power plant.

 

5. Why Choose the CS-3-M16-L190 Active Speed ​​Sensor?

Among many speed sensors, the CS-3-M16-L190 active speed sensor from YOYIK stands out because it’s specifically designed for extremely low speed measurement. Utilizing advanced signal processing technology, this sensor provides stable and accurate measurement results even at extremely low speeds. Designed with the unique environment of power plants in mind, it offers excellent vibration and electromagnetic interference resistance, adapting to the complex operating conditions found within power plants.

 

For power plants, choosing the CS-3-M16-L190 active speed sensor is more than just a measurement tool; it provides an additional layer of assurance for the safe operation of power plant equipment. Accurate speed measurement throughout the lifecycle of boiler feedwater pumps can extend equipment life, reduce maintenance costs, and improve power plant efficiency, ultimately generating greater long-term benefits.

 

When looking for high-quality, reliable rotational speed sensors, YOYIK is undoubtedly a choice worth considering. The company specializes in providing a variety of power equipment including steam turbine accessories, and has won wide acclaim for its high-quality products and services. For more information or inquiries, please contact the customer service below:
E-mail: sales@yoyik.com
Tel: +86-838-2226655
Whatsapp: +86-13618105229

 

Yoyik offers various types of power plants spare parts for steam turbines, generators, boilers as below:
Image fire detection probe JSTVHJ-3
ACTIVE/REACTIVE POWER TRANSDUCER FOR UAT B S3(T)-WRD-3-555A4BNN
Linear variable differential transformer of ICV valve TDZ-1B-03
THERMAL RESISTANCE SENSOR WZPM2-08-102-M18-S
magnetic inductive sensor CWY-DO-810804
PNEU.CYLINDER 0-822-355-003
intelligence Hand Operator NPDF-D11F2
BEARING COVER GT2131307
Vibration Gauge 330105-02-12-10-02-00
Frequency Inverter, 15 kW ACS800-01-0020-3+P901
COAL FEEDER CONTROL FREQUENCY MODULE F/10115614
linear variable displacement transducer lvdt ZDET100B
Battery charger ZE160D20NI
thermocouple WPNK2-211
Motor Microcomputer Protection REM610C51HCMN
monitor TD-2-050
high temp k type thermocouple TE-304
controller for gravimetric coal feeder CFC-2000
ACTUATOR RJ80
Extension cable 330130-080-00-00
Eddy Current Sensor PR6422/003-121
Eddy Current Sensor PR6422/105-010
Oil level gauge KCY-15/16-900/3/10
Sensor Unit FMU41 G2
3 wire pressure sensor BH-068001-068
Solenoid Valve 2W-160-15
Actuator LVDT Position Sensor DET-100A
Differential pressure transmitter CY-Ⅱ
PRESSURE TRANSMITTER TPS20-G2Z-F8
PRESSURE SWITCH BH-013044-013
Axial Position Protecting Unit DM-12
rotational speed sensor DF6202


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  • Post time: Sep-11-2025