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References

Electrical commissioning of a Helmke asynchronous motor

  • Location: Puerto Ordaz / Venezuela
  • Year: 2017
  • Short description: For our customer, a 13.8kV, 6120kW asynchronous motor was put into operation in one of the largest wood processing plants in South America. The motor drives a refiner to crush the so-called wood chips in small wood fibers and prepares for further processing. In cooperation with the head contractor Andritz from Austria the machine was installed on site and secured the further production of the company in Puerto Ordaz.

Dielectric machine diagnosis at Vattenfall Nuclear Power Plant Krümmel

  • Location: Krümmel (nahe Hamburg), Deutschland
  • Year: 2017
  • Short description: Partial discharge, power factor and insulation resistance measurements at one 10kV emergency generator and two 10kV motors. This diagnosis measurements were done for our customer Vattenfall successfully.

VLF cable diagnosis with 18kV at Vattenfall Nuclear Power Plant Krümmel

  • Location: Krümmel (nahe Hamburg), Deutschland
  • Year: 2017
  • Short description: For our customer Vattenfall we carried out a VLF cable diagnosis test with 18kV on a medium voltage cable. The cable connects two transformer stations on the power plant. The check for possible damages was carried out successfully.

Installation and commissioning of the protection equipment for two 20 MVA water pumps in Kozienice coal-fired power plant

  • Location: Kozienice, Poland
  • Year: 2017
  • Short description: For our customer VEM, six protection relays from ABB with various protection functions, for four transformers and two 20 MVA water pumps were installed and set into operation. The project took place in the future largest coal-fired power plant in Europe.

Testing of two generator protection relays at Vattenfall coal-fired power plant Moorburg

  • Location: Moorburg (Hamburg), Germany
  • Year: 2017
  • Short description: Two pieces of generator protection relays with various protection functions for two 1.5 MVA diesel generators were tested in a coal-fired power station.

Distance relay was tested by a medium voltage output in the substation

  • Location: Tangerhütte, Germany
  • Year: 2017
  • Short description: A distance relay from Siemens with various protection functions was tested for a 6.5 MVA solar system.

Testing and commissioning of the protection relay for a wind farm

  • Location: Molsberg, Deutschland
  • Year: 2017
  • Short description: A distance protection relay from Schneider with various protection functions for a 5 MVA wind farm was tested and commissioned.

Security check at an inverter cabinet

  • Location: Trogen (near Hof), Germany
  • Year: 2016
  • Short description: The protection device is integrated in the control system (circuit board); there is no separate protection relay.

Commissioning of a customer substationn

  • Location: Cairnhill, Scotland
  • Year: 2016
  • Short description: Two wind parks and a solar park feed into the 36kV transfer station. Three G59/3 tests have been performed successfully.

Commissioning of a customer substation

  • Location: Spaldington, England
  • Year: 2016
  • Short description:  Several 36kV fields of Schneider Electric for a 12MW wind park of Enercon were tested and commissioned. G59/3 testing of the plant.

Adaptation and testing of a protection system according to the SysStabV (German system stability regulation)

  • Location: Wilmersdorf (near Fürstenwalde), Germany
  • Year: 2016
  • Short description: Generator protection relay with several protection features for a 5MW generator in a CHP plant.

Commissioning of a customer substation

  • Location: Laceby, England
  • Year: 2016
  • Short description: Besides a decoupling protection (G59/3) a differential protection was installed between the customer substation and the network operator’s substation; it has also a definite-time overcurrent protection as reserve.

Testing of a protection system during a generator inspection

  • Location: Ingolstadt, Deutschland
  • Year: 2016
  • Short description: Three different Siemens generator protection relays with several protection features for a 5MW generator in a special-waste incinerator plant.

MInspection of two 15MW synchronous motors

  • Location: Singapore, Singapore
  • Year: 2016
  • Short description: Support during a technical inspection of two AEG/LDW ship engines on a cruise liner. Technical diagnostic measurements and controlling of the bearings.

Mounting and commissioning of a LDW synchronous motor

  • Location: Porvoo, Finland
  • Year: 2016
  • Short description: Supervising the mounting and commissioning of a synchronous motor (6.8MW, 75t) for a compressor drive of a chemical plant.

Mounting and commissioning of LDW asynchronous motors

  • Location: Mirny (near Jakutsk), Russia
  • Year: 2016
  • Short description: Mounting and partly commissioning of two LDW asynchronous motors in a mine in Siberia. The 6kV motors are used for ventilation.

Offline partial discharges measurement

  • Location: Duisburg, Germany
  • Year: 2016
  • Short description: An offline partial discharges measurement was performed on a 10kV synchronous generator. The measurement was performed on-site during an inspection.


Protection relays

Other protection relays that we adjusted, tested and commissioned:

Siemens: 7SJ801, 7SJ803, 7SJ804, 7SK806, 7SJ6001, 7SA613, 7SJ62, 7UM511, 7UM512, 7UT513, 7SJ45 und 7SR23
Woodward: MRA4, MRU4, WIP1, WIC1, WIZ1, XUF2, MRI3, MFR11 und XI1R
Schneider Electric: P341, P343, P433, P632, P122, P142, VIP45 und Sepam series 10
ABB: REJ603, REF615 und CM-UFD.M31
Ziehl: UFR1001E
Bender: VMD 422
Stucke: BC-BCG
SMA: Sunny Central 800CP XT
ALSOTM: PS421
AEG: RSZ 3gk, PM481

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