Elbe Crossing 2

The Elbe crossing 2 is a built 1976-1978 380 - kV AC overhead line crossing the Elbe, which was put into operation in 1978. The transmission line connects the derailleur Wilster with the Dollern substation, which is located east of Stade. Designed and cut for four three-phase circuits with an operating voltage of 380 kV Elbekreuzung 2 extends the 1962 went into operation Elbekreuzung 1

Construction

The Elbe crossing 2 consists of four poles:

• A Abspannmast on the mainland of Lower Saxony with a height of 76 m. This mast stands on an area of ​​18 m × 18 m. He has three beams with spans of 42 m, 51 m and 42 m in 37 m, 49 m and 61 m height.
• Two support poles (executed as tons of mast ) of 227 m height, one each Lühesand and one is standing at the island on the mainland of Schleswig-Holstein in Hetlingen. This suspension towers are the highest pylons in Europe. The masts of the Elbe crossing 2 stand on a floor area of ​​45 m × 45 m. Her three trusses that are 56 m, 70 m and 57 m long, located at an altitude of 172 m, 190 m and 208 m. These two support poles, which weigh 980 tons, have a self-propelled climbing elevator that can take in a steel tube inside the structure. The poles are also equipped with an uninterruptible power supply for flight safety lighting. The necessary equipment for this purpose are in a cottage on the floor in the middle mast.
• A Abspannmast on the Schleswig-Holstein mainland with a height of 62 m. This mast stands on an area of ​​14 m × 14 m. He has three beams with spans of 42 m, 51 m and 42 m in 23 m, 35 m and 47 m height.

The span between the supporting masts above the Elbe is about 1,170 m.

All four masts of the Elbe crossing 2 are equipped with railings secured catwalks. To merge two lightning conductor.

The enormous height of the two suspension towers on the island Lühesand and Hetlinger hill is required to guarantee the required 75 meters clearance under the sagging lines on the Elbe.

Use

Of the twelve conductor cables of the same crossing 2 only six conductor cables (two three-phase circuits ) were used in the early days. The other six conductors had indeed been already installed in construction of the line on the masts in order to operate the high cost of the cable about the same a second time must, however, they were initially grounded on the two tension towers. As in the 1990s, the railways were electrified in Schleswig -Holstein, they took four of the unused conductors of the same cross 2 as a traction power line in operation, in which had to be installed for 110 kV traction current four conductors on the adjacent line section. The supporting poles of the Elbe crossing 2 are thus the highest used by Deutsche Bahn AG overhead line masts. The highest dedicated traction power poles stand in Bremen and serve a vierkreisigen traction power line to cross the Weser.

Incidents

On August 13, 2001, a light aircraft collided in poor visibility with one of the ground wires of the Elbe crossing 2 between the two suspension towers and was heavily damaged, but was still able to land. People did not come to harm.

Pictures

Pylon Elbekreuzung 2 Hetlingen

Base of the pole Hetlingen

Detail of the pole at the ski jump Hetlinger

Abspannmast by the Lower Saxon shore. The inner conductors of the upper cross member are still unused, the current loops end on lattice mast

Traverses the support poles on the island Lühesand

A container ship ( only the tops visible ) crosses under the river Elbe crossing 2

Front Elbekreuzung 1 ( poles 1 and 3 from the left), behind Elbekreuzung 2 ( pylons 2 and 4). Looking east up the Elbe

A lateral view of the southern part of the Elbe crossing 2 shows how steep the need to have 76 m high tension tower ascend the lines ( right) to the southern Pylon

Coordinates

• Northern Pole: 53 ° 36 ' 9 " N, 9 ° 36' 14" O53.60259.6038888888889
• Southern Pole: 53 ° 35 ' 40 "N, 9 ° 35' 29" O53.5944444444449.5913888888889