Справочник Пользователя для Siemens L-828

L-828 CCRs LC-Type (4, 7.5, and 10 kW/6.6 A/60 Hz) 

Table of Contents 

 

 

 

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 2002 Siemens Airfield Solutions, Incorporated 

96A0104B 

Page iii 

All rights reserved

 

Issued 6/02

 

 

 

 

 
 

 

Record of Changes ................................................................................................................................................ii 

Table of Contents .................................................................................................................................................iii 

Warranties ...........................................................................................................................................................vi 

 

 

Section 1 Safety............................................................................ 1-1 

1. Introduction ............................................................................. 1-1 

2. Safety Symbols ......................................................................... 1-1 

3. Qualified Personnel .................................................................. 1-2 

4. Intended Use ............................................................................ 1-3 

5. Installation ............................................................................... 1-3 
6. Operation................................................................................. 1-4 

7. Action in the Event of a System or Component Malfunction....... 1-5 

8. Maintenance and Repair ........................................................... 1-5 

 

Section 2 Description.................................................................... 2-1 

1. Introduction ............................................................................. 2-1 

2. L-828 CCR Monitoring Options.................................................. 2-2 

Optional Scanning Monitor Interface...................................... 2-2 

Optional Scanning Monitor Ready .......................................... 2-2 

3. Indicators ................................................................................. 2-3 

4. Theory of Operation ................................................................. 2-4 

Introduction .......................................................................... 2-4 

Silicon Control Rectifiers (SCRs).............................................. 2-4 

Contactor .............................................................................. 2-5 

Transformers ......................................................................... 2-5 

5. 60 Hz LC-Type L-828 CCRs (4-10 kW/6.6 A):  

Required Equipment .......................................................... 2-5 

6. Input Power Breaker Sizing ....................................................... 2-6 

7. Specifications ........................................................................... 2-6 

Ratings .................................................................................. 2-6 

Style...................................................................................... 2-7 

Power Factor ......................................................................... 2-7 

Efficiency............................................................................... 2-7 

Reactive Loading.................................................................... 2-7 

Resistive Loading ................................................................... 2-7 

Regulation............................................................................. 2-8 

Environmental Operating Conditions...................................... 2-8 

Protection Devices ................................................................. 2-8 

Maximum Safe Overload........................................................ 2-9 

Input Voltages ....................................................................... 2-9 
Built-In True RMS-Reading Ammeter....................................... 2-9 

Input Wire Size....................................................................... 2-9 

Temperature Rise................................................................... 2-9 

Weight ................................................................................ 2-10 

CCR Dimensions................................................................... 2-10 

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