ABB UNITROL 1005-0011 ECO 3BHE043576R0011 | Digital AVR for Synchronous Generators | In Stock

Description

Product Core Brief

• Model: UNITROL 1005-0011 ECO
• Material Number: 3BHE043576R0011
• Brand: ABB
• Series: ABB UNITROL 1000 Series — UNITROL 1005
• Core Function: Digital automatic voltage regulator for synchronous generators and motors up to approximately 80 MVA, providing AVR, power factor/var regulation, limiter functions, and Modbus TCP communication.
• Product Type: Digital AVR / Excitation Voltage Regulator
• Key Specs: IGBT-based AVR output stage, AC/DC measurement input, thyristor crowbar protection, Modbus TCP, CMT 1000 commissioning tool included.
• Condition: New Original / New Surplus — confirm before shipment

Key Technical Specifications

Product Introduction (No Fluff)

The ABB UNITROL 1005-0011 ECO (material number 3BHE043576R0011) is a digital automatic voltage regulator from the ABB UNITROL 1000 series. It is designed for voltage regulation of synchronous generators and motors, typically up to approximately 80 MVA, and is widely used in power plants, marine systems, diesel-electric applications, and emergency power systems.

The ECO software package provides AVR, field current regulator, power factor/var regulation, superimposed PF/VAR control, limiter functions, boost control, fault ride-through detection, soft start, and voltage matching. Hardware features include an IGBT-based AVR output stage, AC/DC measurement input, and thyristor crowbar protection. Communication is supported via Modbus TCP, and the unit can be commissioned and maintained using the CMT 1000 tool.

Because UNITROL 1005 is available in multiple software packages and order variants, always confirm the exact model suffix and material number against the existing nameplate before ordering.

QA & Testing SOP (Dynamic & Transparent)

1. Nameplate Verification
   Confirm the unit label reads UNITROL 1005-0011 ECO and the material number matches 3BHE043576R0011. Check for mismatched order codes or altered labels.
2. ESD-Safe Handling
   Store and ship in anti-static packaging. The AVR contains sensitive power electronics, measurement circuits, and communication interfaces.
3. Connector & Terminal Inspection
   Inspect power terminals, measurement inputs, communication ports, and mounting hardware for damage, oxidation, or loose connections.
4. Controlled Power-On Test (If Test Setup Available)
   If a compatible test setup is available, apply rated auxiliary/measurement voltage and verify initialization, LED status, and communication response. Do not apply full field output without proper test equipment.
5. Communication & Parameter Check
   If the host excitation system is available, verify Modbus TCP communication, parameter access via CMT 1000, and correct recognition by the plant control system.

Installation Pitfalls & Guide (Engineer to Engineer)

❗ Confirm the exact order code. UNITROL 1005 is offered in ECO and LIGHT software packages with different feature sets. The -0011 suffix and material number 3BHE043576R0011 must match the existing unit.

❗ Do not energize without verified wiring. Incorrect measurement input, field output, or auxiliary supply wiring can damage the AVR or cause incorrect voltage regulation.

❗ Follow generator isolation procedures. Work on excitation systems must follow lockout/tagout and safe isolation procedures. The field circuit and AC measurement circuits may carry hazardous voltage.

❗ Verify measurement polarity and PT/CT ratios. Incorrect voltage measurement configuration can lead to overvoltage, undervoltage, or unstable regulation.

❗ Back up parameters before replacement. Use CMT 1000 to export existing parameters where applicable. After replacement, verify limiter settings, AVR gains, PF/VAR setpoints, and communication addresses.

Replacement Steps:

1. Pre-install: Back up AVR parameters. Confirm model, material number, software package, and wiring diagram.
2. Removal: Stop the generator/excitation system. Isolate auxiliary supply, field output, and measurement circuits. Label all cables before disconnection.
3. Install: Mount the new AVR unit. Reconnect measurement, field, communication, and auxiliary wiring according to the cabinet drawing.
4. Commissioning: Restore power under controlled conditions. Verify measurement values, communication, parameter loading, and AVR operation before returning to automatic mode.

Technical FAQ

1. Is UNITROL 1005-0011 ECO compatible with my generator?
It is designed for synchronous generators and motors up to approximately 80 MVA. Final compatibility depends on generator rating, excitation type, measurement configuration, and cabinet design. Confirm against the existing nameplate and ABB documentation.

2. What is the material number for UNITROL 1005-0011 ECO?
The material number is 3BHE043576R0011. Always verify both the model suffix and material number before ordering.

3. What does the ECO package include?
The ECO software package includes AVR/FCR/PF VAR control, superimposed PF/VAR regulator, limiters, boost control, FRT detection, soft start, and voltage matching. Modbus TCP communication is also supported.

4. Can this unit be commissioned with CMT 1000?
Yes. CMT 1000 is provided free of charge for UNITROL 1005 commissioning and maintenance.

5. Do you offer warranty on this unit?
Warranty terms depend on condition. New original stock typically carries stronger coverage than surplus inventory. Confirm warranty length and DOA terms before purchase.

6. Can I get flexible pricing for MRO or project orders?
Yes. Pricing depends on quantity, condition, software package, and lead time. For stocking orders or project procurement, request a quote with your required quantity and delivery date.