Industrial unit substation air-insulated 12 kv / 24 kv AN-/AF-Operation roof-ventilators arc fault tested with HRC fuses Leukhardt...switch to safety! Version 2.00.EN v. 23.03.2011 page 1 of 6
Voltage changing at the point of heavy power Decentralised power supply: The medium voltage feed points are brought to the immediate vicinity of the power consumer. The transformation to low voltage is performed precisely where the electrical power is needed! SE POWER FEED SE GENERAL SUPPLY SUB-STATION 1 TEB-S SUB-STATION 2 TEB POWER USER The Leukhardt EnergieBlock consists of three components which can be used in any combination: Medium voltage switching component Housed transformer Low-voltage distribution with reactive (power factor) compensation INTERMESHING POWER USER SUB-STATION 3 Example Substation: SE S INTERMESHING POWER USER Version 2.00.EN v. 23.03.2011 page 2 of 6
Technical Data Rated value: Primary Secondary Rating: 12 kv 24 kv 0,69 kv Rated power frequency withstand voltage: 28 kv 50 kv Rated lightning impulse withstand voltage: 75 kv 125 kv Rated current: 630 A 630 A 3150 A (higher currents on request) Rated short-time current: 20 ka 20 ka 100 ka Rated surge current: 50 ka 50 ka 220 ka Rated short-circuit duration: 1 s 1 s 1 s Arc fault qualification: 20 ka 20 ka (with HRC fuses) Frequency: 50/60 Hz 50/60 Hz Degree of protection: IP 54 IP 54 Dimensions: up to 1000 kva up to 1600 kva (higher values on request) Width: 1400 mm Depth: 2200 mm Height: 2200 mm 1800 mm 2400 mm 2500 mm Version 2.00.EN v. 23.03.2011 page 3 of 6
Our EnergieBlock is...... economical shorter low-voltage cable, smaller cable cross-section and lower conduction losses save both investment and operating costs. positioning and assembly with no additional protective housing required.... variable individual adaptation to the operator s needs. variable adaptation to existing systems. provision and arrangement of the components freely selectable. manufacturer and type of the switching devices freely selectable.... safe personnel safety from tested systems. short switch-off times in the event of faults through the fitting of appropriate switching devices with overload and short-circuit elements. monitoring of the transformer temperature for overheating in conditions of excessive ambient temperature of overload Version 2.00.EN v. 23.03.2011 page 4 of 6
The technology in brief Construction Rigid, non-bucking cabinet systems, enclosed on all sides by sheet steel. Powder coated, selectable Low voltage distribution Tested to VDE 0660, Part 500 TSK and PTSK Busbar systems tested to 5200 A, tested for I cw = 100 ka, I pk = 220 ka, 1 sec Protection to IP 54 Housed transformer Cast resin transformers rated to 1600 kva, 10 and 20 kv AN with natural ventilation up to 100% of nominal power output AF with forced ventilation up to 140% of nominal power output Tested to VDE 0670, Part6, and PEHLA Guideline No. 4, with series high-voltage power fuse Protection to IP 54 Housed transfomer: side sectional view EnergieBlock: Example of a front view Version 2.00.EN v. 23.03.2011 page 5 of 6
Company Overview Our Company SWITCH TO SAFETY: Practice, knowledge and experience for our customers Leukhardt began back in the 1950s with the manufacture of transformer stations and of switchgear for medium and low voltage applications. Nothing has stamped its mark on our development more deeply than the ideas of quality and safety. They provide the orientation for our innovations. The skill and knowledge of our specialist engineers are the basis for efficient solutions and for a very flexible approach to handling projects. Kiel Hamburg Schwerin Bremen Berlin Hannover Magdeburg Potsdam Düsseldorf Erfurt Dresden Frankfurt Mainz Head Office Immendingen Saarbrücken Stuttgart Immendingen München Leukhardt Schaltanlagen GmbH Im Gewerbepark 10 D-78194 Immendingen Telefon: +49 7462 945 61-0 Fax: +49 7462 945 61-6166 www.leukhardt.de info@leukhardt.de Leukhardt Schaltanlagen Systemtechnik GmbH Hagenower Strasse 73 D-19061 Schwerin Telefon: +49 385 399 3560 Fax: +49 385 399 3569 Gustav-Ricker-Strasse 62 D-39120 Magdeburg Telefon: +49 391 626 9620 Fax: +49 391 626 9629 jens.schoenrock@leukhardt.de The information in this document contains general descriptions of technical possibilities and is therefore not binding. In individual cases the quotation letter or contract conclusion always counts. Version 2.00.EN v. 23.03.2011 page 6 of 6