PCS6000 Service manual ABB PCS6000VLM70 3BHE034262R0001

ABB PCS6000

Medium voltage wind turbine converter

Designed for larger turbines, ABB’s medium voltage full power converters are characterized by low parts count, high availability and minimized losses. The higher voltage level of MV converters means lower currents in the electrical drivetrain, along with an easier integration of the converter into the turbine. The converters can be designed for nacelle or tower base installation, and their modularity allows easy customization to meet customer requirements. Fault ride-through and grid code compliance capabilities are also provided. 

Important safety information

Important safety information Read this material carefully before working on or around the equipment. Failure to do so can result in serious Injury or DEATH! Keep for future reference. 2.1. Safety messages and safety signs in this document This document uses ANSI Z535.6 signal words, ISO 7010 safety signs, and ISO 3864-2 colors to highlight safety-related information. 2.1.1. Safety messages The following safety messages are provided to help prevent personal injury and damage to the equipment. The indicated hazard level is based on the ANSI Z535.6 standard

This is the safety alert symbol. It is used to alert you to potential physical injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death. DANGER Indicates a hazardous situation which, if not avoided, will result in death or serious injury. WARNING Indicates a hazardous situation which, if not avoided, could result in death or serious injury. CAUTION Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury. NOTICE Is used to address practices not related to physical injury, but which can result in equipment damage.

Product safety labels 

Product safety labels on the equipment alert you to the hazards that can occur when you work on or operate the equipment.– Always follow the instructions on the labels to avoid the hazard– Keep the labels in a perfectly legible condition For the location of the labels, see the label placement document for the drive.

Electrical safety The following electrical safety instructions are based on EN 50110. 2.3.1. General safety instructions 1) Minimize hazards. 2) Before energizing the drive: • Remove all foreign objects are from the drive • Fasten all internal and external covers securely • Close, lock, and/or bolt all doors • Move the release dial of the door safety switches into the locked position 3) Before working on the drive: • Turn off, lock out, and tag out the main and auxiliary power supplies to the drive • De-energize the drive • Ensure that the safety ground connections are in place • Ensure that the appropriate personal protective equipment (PPE) is available and used when required • Inform the involved personnel about the potential safety hazards • Wear hearing protection when a drive is running. 4) Before working simultaneously on the drive and on other drive system equipment: • Observe the relevant safety codes and standards • Turn off all energy sources for the equipment • Ensure that all lockout and tagout devices are in place • Install barriers around and use appropriate covers on the equipment that is still energized • Inform the involved personnel about the potential safety hazards 5) In case of fire in the drive room: • Observe the established rules and regulations for fire safety • Only allow firefighters with the appropriate PPE to enter the drive room

The 7 steps that save lives ABB’s 7 steps that save lives concept is a series of actions that must take place prior to commencing work on or near electrical installations. 1) Prepare for the work: do an on-site risk assessment or job hazard analysis that considers the limits of approach for shock and arc-flash. • Be in possession of a clear work order to execute the work. • When required, the access or work permit is to be obtained by a person who is authorized for the specific electrical system. • Engage the person responsible for electrical equipment or system to review single line diagrams, schematics, switching plans, etc. • Ensure the competence of workers. • Check for proper tools for the job. • Determine and select the proper arc-rated Personal Protective Equipment (PPE). • Decide of the appropriate work methods and initiate the Permit To Work (PTW) process. 2) Clearly identify the work location and equipment. • Use your senses (sight, hearing and smell) to identify problem areas. • Define the work area via barriers and barricading and label equipment. • Avoid distractions such as talking or texting on the phone. 3) Disconnect all sources of supply and secure against reconnection by applying Lockout/Tagout. • If ABB is responsible for switching and it cannot be done remotely, then the person performing the switching must be properly trained and wearing the proper PPE identified in step 1. • The Person in Charge of Work (PICW) must ensure that switching is performed in the proper manner by witnessing it from a safe distance if present on site or by engaging the person responsible for switching to identify all isolation points. • Apply Lockout/Tagout (LOTO) to the energy isolation device and if multiple energy isolation devices are involved, then Group LOTO must be implemented with the PICW serving as the Group LOTO Leader. 4) Verify the absence of operating voltage: always test before you touch! Only use properly rated and inspected voltage detection devices and wear proper PPE identified in step 1: • Test voltage detection device • Test for voltage • Test voltage detection device It is highly important that the voltage detection device is tested on a known voltage source such as a Proving Unit or by performing an internal self-test, according to the manufacturer’s instructions, before and after testing for the absence of operating voltage. PRODUCT PCS6000 DOCUMENT KIND Service manual DOCUMENT ID. PAGE 3BHS600000 E80 REV. F LANG. en 26/272 IMPORTANT SAFETY INFORMATION 5) Carry out earthing and short-circuiting. • Close and lock the earthing switch if the electrical equipment is designed for this purpose or apply portable equipment for earthing and short-circuiting. If this is carried out by the customer, then the PICW must ensure that this equipment is properly earthed as a part of the integration/verification and during step 7 when the PICW walks the PTW. 6) Protect against adjacent live parts and take special precautions when close to bare conductors. • Determine minimum approach distances, apply screening or shrouding, and when applicable, padlock both cable and busbar shutters. • If working within the restricted approach boundary or vicinity zone where inadvertent movement could cause contact with live parts, special precautions must be employed, such as the use of the properly rated insulated gloves and tools. 7) Complete the permit to work and “Walk the Permit”. • Check isolation points • Verify that all circuits are isolated and secured • Ensure all parties are integrated with the Lockout/Tagout • Check the earths are properly applied • Answer specific questions from the working group • Ensure the work can proceed without danger • Complete and verify the “Permit to Work