ABB UNS0869A-P 3BHB001337R0002 Power System Stabilizer Transducer
Manufacturer: ABB
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Part Number: UNS0869A 3BHB001337R0002
Condition：New with Original Package
Product Type: Power System Stabilizers
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Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
ABB UNS0869A-P Power System Stabilizer
The ABB UNS0869A-P, also cataloged as the UNS0869A Power System Stabilizer (PSS) Transducer, operates as a dedicated hardware component for damping low-frequency electro-mechanical oscillations within electrical grid network systems. The hardware directly monitors generator output parameters to inject correcting stabilizing signals into the excitation loop. It processes real-time electrical transients using an onboard Intel dual-core embedded processor running between 1.5 GHz and 2.33 GHz to stabilize the dynamic voltage profiles across interconnected distribution nodes.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | UNS0869A-P (Part Number: 3BHB001337R0002) |
| Brand | ABB |
| Origin | Switzerland |
| Weight | 0.11 kg (110 g net module weight) |
| Dimensions | 220 mm x 140 mm x 45 mm (Depth x Width x Height) |
| Operating Temp | Standard Industrial Class (0 to 60 deg C operational baseline) |
| Power Consumption | Less than 3 W @ 12 VDC full load |
| Operating Voltage | 9 VDC to 24 VDC with reverse polarity and overcurrent safety circuits |
| Processor Architecture | Intel dual-core embedded processor (1.5 to 2.33 GHz) |
| Memory Configuration | 2 DDR2 slots supporting up to 4 GB capacity |
| Storage Interface | Compact Flash slot with IDE and SATA subsystem support |
| Physical Network Interfaces | RJ-45 Ethernet (10/100/1000Base-T), Gigabit optical ports, RS-232 serial ports, parallel port, IrDA |
| Transmission Reach | 100 m over copper, 550 m via multimode fiber, 10 to 80 km via single-mode fiber |
| Customs Tariff Code | 85371092 |
Deterministic Industrial Control and Backplane Networking
The stabilizer module integrates directly into industrial control frames via high-speed communication interfaces. The internal architecture utilizes hardware-driven network logic to ensure deterministic data velocity across copper and optical fiber infrastructures. Deterministic networks prevent signal transmission jitter when the unit reports dynamic vector calculations to external SCADA hosts. The module firmware flash layer maintains absolute compatibility with the master controller operating system, managing instantaneous data throughput between the DDR2 memory banks and the Gigabit Ethernet physical layer to ensure zero lag during critical grid corrections.
Frequently Asked Questions
Q: What is the maximum physical delay permitted during a failover or power fluctuation? A: The onboard reverse polarity and overcurrent protection circuits isolate the internal processor from input voltage drops instantly. The internal DC-DC converter maintains continuous logic operation down to 9 VDC, preventing processor reboots during brief external DC bus transients.
Q: How does the module handle communication media conversion latency between fiber and copper? A: The onboard Gigabit optical physical layer (PHY) processes incoming optical streams directly at the hardware layer. This bypasses structural software stacks, keeping physical media conversion latency under 5 microseconds to sustain real-time PSS synchronization loops.
Field Installation Guidelines
Mount the unit securely to the chassis structure to prevent mechanical vibration from loosening internal DDR2 or Compact Flash seating connections. Establish a low-impedance electrical path from the module grounding terminal directly to the central copper master ground bar using a short, thick conductor.
Route all low-voltage DC power supply cables and communication lines (Ethernet, RS-232, and fiber) through dedicated, grounded steel conduits separate from high-voltage AC execution wiring to suppress local electromagnetic interference (EMI). When deploying copper Ethernet linkages, keep the cable run length below 100 m. For extensions exceeding this parameter up to 80 km, deploy single-mode fiber optic lines connected to the Gigabit optical ports. Maintain a minimum bending radius of 30 mm for all optical fiber cables during routing to eliminate internal signal refraction faults.