ABB 3BHE037864R0104 UFC911 B104 Current and Voltage Measuring Unit

Specifications

The ABB 3BHE037864R0104 UFC911 B104 is a highly specialized internal Current and Voltage Measuring Unit (CVMI2B) developed by ABB. Operating within large-scale industrial excitation setups, it serves as the critical processing layer responsible for the continuous, real-time sensing of multi-phase generator armature currents and terminal voltages. The card reads heavy analog power signals from field instrument transformers, dynamically filters out complex operational harmonic noise, and transfers synchronized mathematical metrics back to the core controller backplane.

Field Applications

· High-Power Excitation Systems: Installed natively within ABB UNITROL 6000 and MEGATROL control panels to measure physical generator voltage/current fields and execute emergency field suppression sequences.

· Generator Grid Synchronization: Employed as a noise-resistant signaling interface to feed phase-angle datasets back to the main processors, ensuring the power plant stays safely synchronized with the utility electrical grid.

· Turbine Safety Trip Interfaces: Utilized as an active telemetry processing unit that triggers instant overcurrent or phase-imbalance alarms, protecting mega-watt generator stators from permanent electrical breakdown.

FAQ

Q1: What is ABB known for in the industrial automation industry?

A1: ABB is a global leader in power and automation technologies . The company is renowned for its comprehensive portfolio of industrial drives (ACS series), robotics, distributed control systems (800xA), and PLC systems (AC500). ABB products are widely used across power generation, oil and gas, chemical manufacturing, mining, and heavy industry applications .

Q2: Are ABB products compatible with each other across different series?

A2: Generally, yes. ABB designs its products with backward and cross-series compatibility in mind. For example, the KVC758A board is specifically designed for ACS5000 drives but is also compatible with ACS800 and ACS880 cabinets . Similarly, ABB's Advant OCS 800xA DCS systems integrate with various ABB drive platforms, allowing for seamless system expansion and upgrades .

Q3: What makes ABB products suitable for harsh industrial environments?

A3: ABB products are engineered with industrial-grade specifications including :

· Wide operating temperature ranges (e.g., -40°C to +70°C for the KVC758A).

· High electrical isolation ratings (520 VDC or higher) to protect against voltage transients and ground loops.

· Electromagnetic resilience to withstand noisy industrial environments.

· Robust construction with protection against dust, moisture, and vibration.

· Built-in protection mechanisms including overvoltage and overcurrent safeguards.

Our Service

1. Delivery Port: Xiamen, China

2. FedEx Express, DHL Express, TNT Express, UPS Express,

3. Inventory,immediate delivery now

4. All products are brand new in original box.

5. We will packge all goods in one carton with foam to shock resistance.

6. You’ll get the dimension and weight once we shipped.

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