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Contents
1 General Requirements. 3
1.1 Scope and Purpose 3
1.2 References (TBC) 4
2 Product Requirements 5
2.1 Product Characteristics 5
2.1.1 General Description 5
2.1.2 Architecture 5
2.2 Functional Requirements. 6
2.3 Dynamic Power Response. 6
2.4 Converter Control. 6
2.5 Electrical Requirements 7
3 Environmental Requirements 7
3.1.1 General 7
3.1.2Temperature 7
3.1.3 Humidity and Waterproofness 8
3.1.4 Vibrations 8
3.1.5 Fire, Flammability, Toxicity and Smoke 8
3.1.6 Fluid Susceptibility 8
3.1.7 Sand and Dust 8
3.1.8 Salt Spray/Corrosion Resistance 8
3.1.9 Fungus Resistance 8
3.1.10 Icing 8
3.1.11 Electromagnetic Environment 8
4 Maintainability 8
4.1.1 Maintenance Concept 8
4.1.2 Fatigue Life Limits 84.1.3 Design for Maintainability 8
4.1.4 Tools and Tests Requirements 8
5 Electrical Design Requirements. 8
5.1 Eathing System. 8
5.2 IGBT Driver. 8
5.3 Grid Inductor. 8
5.4 Line Filter/ EMC Filter. 9
5.5 Grid Contactor/ Charge Contactor. 9
5.6 Main Circuit Breaker. 9
5.7 DC Bus. 9
5.8 Power Supply/ Self Supply. 9
5.9 Creepage Distance and Insulation Coordination. 95.10 Brake Chopper. 9
5.11 Measurement Requirements. 10
5.11.1 Temperature. 10
5.11.2 Current. 10
5.11.3 Voltage. 10
5.11.4 Power. 10
5.11.5 Frecuency. 10

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General Requirements.
The aim of this Technical Specification is to provide a comprehensive and self-explaining set of Requirements related to the Design, Manufacturing and Supply of a 300kW Power Converter.
Such Converter shall becoupled to Fuel Cell Generator, allowing to the system to work handling the complete Power Generation and driving it to the Network (TBC).
Scope and Purpose
This document applies to the 300 kW converter systems

References (TBC)
* Applied directives:
* EMC directive 89/336/EEC with amendment 93/68/EEC
* Low voltage directive 73/23/EEC with amendment 93/68/EEC
* Machinerydirective 98/37/EC
* Power generation IEC 61000-3-7
* EMC performance EN 61800-3 (2004), EMC product standard Category (C3)
* Harmonics
* IEC 61000-3-4 states to measure harmonics separately from supply of each drive.
* IEC 61800-3 states to measure harmonics from the mutual supply point of a device (containing many drives).
* IEEE Std 519-1992
*(Electrical) safety requirements
* IEC 60204-1, Safety of Machinery – Electrical equipment of machines Part 1: General requirements
* IEC 61800-5-1, Electrical and thermal requirements for adjustable frequency a.c. power drives
* 3AFE000186.doc rev. B Clearance and Creepage Distances of ACS-Drives
* IEC 61400-1 Wind turbine generator systems – Safety requirements
* EN60439-1, chapters 8.2.1 through 8.2.7

Product Requirements

Product Characteristics

General Description
The Power Converter can be presented in the form of one or several Cabinets. Each sub-converter shall include the following components:
- Mains circuit breaker (between Converter and Grid)
- Input Contactor (Between Generator and Converter)
- LCL-line filter to achieve high qualitysinusoidal voltage and current
- Inverter Unit, with several modules depending on the Current values.
- Brake Chopper Unit. Usually based on Thyristor Technology, the Brake Chopper is used to protect the DC Bus against overvoltage, for instance, due to Generator malfunction or Loss of Grid Voltage.
- DC Bus, including a suitable set of capacitors, the DC Bus acts as coupling between the Input...