User:LMischler/Img-2018-B

Fig. B1 – Installation including a single MV/LV power transformer with metering at LV level (DB422010_EN)

Fig. B2 – Installation including a single MV/LV power transformer with metering at MV level (DB422011_EN)

Fig. B3 – Installation including several MV/LV transformers, all located in the main substation (DB422012_EN)

Fig. B4 – Installation including several secondary substations supplied by an internal MV distribution (DB422013_EN)

Fig. B5 – Example of standard values Ur, Ud, Up (kV) (DB422014_EN)

Fig. B6 – A: Single line service. B: Single line service with provision for extension to ring main or parallel feeder service. C: Ring main service. D: parallel feeder service (DB422015_EN)

Fig. B7 – Supervisory Control And Data Acquisition System SCADA (Scada)

Fig. B9 – Circulation of the phase to earth fault current (DB422017)

Fig. B10 – Open loop configuration and operation (DB422018_EN)

Fig. B11 – Direct contact (DB422019_EN)

Fig. B12 – Indirect contact (DB422020_EN)

Fig. B13 – Potential gradient control - EN50522 - Earthing of power installations exceeding 1 kV a.c. (DB422021_EN)

Fig. B14 – Protection by installation of barriers. The safety distances are fixed by IEC 61936 (DB422023_EN)

Fig. B15 – Protection by placing live parts out of reach. The safety distances are fixed by IEC 61936 (DB422022_EN)

Fig. B16 – Breathing transformer protected by buchholz

• 

  (DB422024_EN)

• 

  (PB116686)

Fig. B17 – Integral filled transformer (PB116687)

Fig. B18 – DGPT (Detection of Gas, Pressure and Temperature) protection relay for integral filled transformers

• 

  (DGPT(a))

• 

  (DGPT(b))

Fig. B19 – Dry type transformer (PB116688)

Fig. B20 – Thermal relay for protection of dry type transformer (Ziehl) (Thermal_relay_(Ziehl))

Fig. B21 – Discrimination between MV fuse operation and LV circuit breaker tripping, for transformer protection (DB422028_EN)

Fig. B22 – MV fuse and LV circuit breaker configuration (DB422029_EN)

Fig. B23 – Examples of self powered relays (Schneider Electric)

• 

  (PB116689)

• 

  (PB116690)

Fig. B24 – Schneider Electric SM6 and Premset switchboards including MV/LV transformer protection with circuit breaker associated to self powered relay (PB116691)

Fig. B25 – Localization of a fault (DB422030_EN)

Fig. B26 – Compact 3 function switchgear (PB116694)

Fig. B28 – Example of functional unit architecture with compartments, favoring service continuity

• 

  (PB116695)

• 

  (PB116696)

Fig. B30 – Example of MV/LV interlocking system

• 

  (DB422032a_EN)

• 

  (DB422032b_EN)

• 

  (DB422032c_EN)

• 

  (DB422032d_EN)

• 

  (DB422032e_EN)

• 

  (DB422032f_EN)

Fig. B31 – Emergency generator at LV Level (DB422033_EN)

Fig. B32 – Consumer substation with LV metering (DB422034_EN)

Fig. B33 – Connection of emergency generators at MV level (DB422035_EN)

Fig. B34 – Consumer substation with MV metering (DB422036_EN)

(humid_conditions) (polluted_conditions)

Fig. B35 – Modular metal-enclosed switchgear (PB116697)

Fig. B36 – SM6 Modular Unit (PB116698)

Fig. B37 – PREMSET. Shielded Solid Insulated MV equipment (PB116699)

Fig. B38 – Dry type transformer (PB116700)

Fig. B40 – Hermetically-sealed totally-filled oil transformer (PB116701)

Fig. B41 – Air-breathing oil transformer (PB116686)

Fig. B42 – Two different examples of HV/LV substation designs with natural ventilation, according to the layouts described in Fig. B48 (DB422037)

Fig. B43 – Example of HV/LV prefabricated substation tested with 1250 kVA liquid filled transformer (PB116703)

Fig. B44 – Ventilation opening locations

• 

  (DB422038a_EN)

• 

  (DB422038b_EN)

Fig. B45 – Automatic change over associated with stand-alone generators (DB422039_EN)

Fig. B46 – Control of generators operating in parallel with the utility supply network (DB422040_EN)

Fig. B47 – General arrangement of a LV metering substation (DB422041_EN)

Fig. B48 – Examples of general arrangements of LV metering substations, plan view (DB422042)

Fig. B49 – Type tested substation according to IEC 62271-202 (DB422043_EN)

Fig. B50 – Walk in and non-walk in type substations (DB422044_EN)

Fig. B51 – Outdoor substations. The three type of design (DB422045_EN)

Fig. B52 – Outdoor substations

• 

  (PB116704)

• 

  (PB116705)

Fig. B53 – Outdoor substation without enclosure (PB116706)

Fig. B54 – Pole mounted MV/LV substation (DB422046_EN)