Lahmeyer-Compact-substation: NDV 400 / 401
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> NDV 400 / 401 / 04.08 Meuleman Subject to technical changes! SGB Neumark GmbH Tel.: 037600/83-0 08492 Neumark, Postfach 11 42 Fax: 037600/341 Page 1 from 22 size="-2">

NDV400/401 Contents 1.Application and technical regulations > - Use - Construction - VDE Regulations, IEC Standards 2. Advantages 3.Station > (Basement and Housing ) - Construction - Material and surface treatment - fastening elements - doors , locks - safety class - lifting - Earth - Elimination 4.MV-switchboard > - Main switch / disconnector - Conditions for transformer 5. Transformer > - Transformer compartment - Mounting or replacing the Transformer 6.LV-switchboard > - Main switch, fused load break switches - LV-fuse inserts - Output clamping - Instrumentation - Mains socket -...

1.1 The Lahmeyer-compact-station NDV 400 / 401 is used as a mains and customer station. Both versions are available with LV-metering. The Substation NDV 401 is also available with MV-metering. 1.2 Construction and execution conforming with the standard IEC/EN/VDE 62271-202. The Substation is tested and certified for IAC AB 20kA 1s. 1.3 The station is tested and conforms to the following VDE regulations and IEC Standards: V > 1.4 Mounting, set-up and operation of compact stations is executed by trained personal only, trained in the use of MV-switchgear, transformers, LV-switchgear, the...

Suitable as mains substation or customer substation. Both versions with LV-counting (metering). NDV 401.6 is also available with MV counting (metering). robust All-Steelē-design, hot-galvanised, powder coated, unit-tested 3-side convertible, compartment stationē low weight, Complete station, incl.. equipment, 630 kVA-Transformer and base-pan, ca. 3.800 kg Steel basement, 620 kg, hot-galvanised, double powder coated (zinc and top coat) 100 % poreless. Front doors, door stops left and right adjustable, angle 90 > o and 135 > o 2 inlets for construction/emergency mains, on LV-side Transformer...

Temperature class = 20 K Like all LAHMEYER-Compact-stationsЮ, the Type NDV 400 /401 substation is factory tested and supplied ready for use. The station contains one MV-compartment, LV-compartment and a Transformer compartment. After connecting the LV and MV cables, the station is ready for immediate operation. > Designed and manufactured as a modular base unit. The side panels have folded rail shaped edges at bottom. A hot-galvanised steel pan is bolted between covers at front and back. Steel pan is welded and oil proof. > The housing of the substation Type NDV 400/401 is manufactured in...

The doors are fitted with metal- swing leaver locks, prepared for fitting standard profile cylinders with 45 ore 90ё lock-in angle. The profile cylinders are protected with weather hoods. The door to the MV-compartment is fitted with 4x multiple security lock. These will close the doors pressure-tight, pressing the doors onto the frame seal. Opening angle max. 135 > o . Arresting-angle at 90 > o and 135 > o . The plug-in-panel use a similar lever-action-lock. > MV- and LV-Compartment IP 54D Transformer compartment IP 43D > The substation, Type NDV400/401 may be transported and lifted...

Ease of use and personal safety where our major considerations on the design of the LV-compartment and MV-compartment witch may be switcht left to right in exchange one to an other. The switch gear is integrated in such a way that hot gases caused by internal error are not lead to the operator front. Hot gases are lead through the transformer compartment to the outside (tested with 20kA 1S). Solid material-air isolated switchgear is principally equipped with a hydrostatic heater. Heater power is 300 Watt. The hygrostat will ensure a air moisture <70%. This will avoid any moisture...

5. 1 The station is suitable for distribution transformers =<630kVA. With in the base pan the transformer is mounted on adjustable rails. After removal of the plug-in panel on the LV-side, the transformer is accessible for inspection. 5. 2 Connection between transformer and MV-switchboard with ready-to-fit cable, tested 50kV 1Min. 5. 3 Connections to the LV-side are made load dependant, using high flexible, 3kV isolated cable. 5. 4 Initialling or changing transformers When installing or replacing the transformer, all connections to the MV-switchboard and the LV-panel must be cut from power...

The LV-compartment is manufactured ready to customer specification and tested The following setups are usual: 6.1 - Main switch as circuit breaker up to 1600A or > - NH-fused load break switch Gr.3 630 A or Gr.4a 1250 A or > - NH-fused load break switch 910 A as strip-construction 6.2 Output rails NH-Fuse rails 400/630 A 8 Piece 6.3 Current converter, reconnectable, 1000/600/300/5 A, in L2 1 Piece 6.4 Current meter (bimetal) with max.hold Pointer 1 Piece (15 min) 6.5 Construction site supply in the side of the LV-compartment 2 Piece 6.6 optional: - 3 current meters with converter - 1 Volt...

6.7 Meters, fuses and terminals are mounted in the instrument panel above the LV-Compartment. 6.8 N- and PE- busbars are placed in the bottom part of the LV-compartment. 6.9. Cable fixtures are placed below the removable floor panel. > Optional setup of a LV-distribution. NDV 400 / 401 / 04.08 Meuleman Subject to technical changes! SGB Neumark GmbH Tel.: 037600/83-0 08492 Neumark, Postfach 11 42 Fax: 037600/341 Page 10 from 22 >

The central earthing bar is situated in the LV-cabinet. The soil earthing lead or deep soil earther are directly connected to the central earthing bar. In this way, all housing parts and the base pan are directly connected to the main earthing. > The NDV 400/401 is manufactured ready for connection and fully tested. For Transport, placing and mounting refer to technical documentation. Resulting terrain height and surface water must be considered when determining the excavation depth. The excavation pit must have a strong floor bearing. Floor unevenness must compensated with a levelled sand...