Measuring direct current energy has always been one of the most important development branches in our company's offer. With the cooperation of qualified SESTO employees, we have created the third version of the EM3000 electric energy meter. In addition to updating the graphic design and adapting the meter to new standards and guidelines, we have created not only an improved but also an expanded version of the EM3000 meter that allows for energy measurements not only in direct current networks but also in alternating current networks. The multi-system EM3000 electric energy meter is an innovative, comprehensive solution that enables the measurement of traction electrical energy in DC 1.5kV and 3kV as well as AC 15kV 16 2/3 Hz and 25kV 50Hz power systems. The meter meets TSI LOC&PAS requirements, including all updates along with the 2020/387 update, a set of European standards including EN50463:2018, and the current "PKP Energetyka Requirements for Direct Current Energy Measurement Devices" contained in the Distribution Network Operation and Maintenance Instructions – unified text effective from December 15, 2021.
Key features of the EM3000 multi-system meter:
- full autonomy resulting from the direct powering of the HVU measurement part from the measured voltage. This results in no loss of measurement capability even in the event of auxiliary power supply failure,
- the possibility of connecting several HVU measurement parts with the DHU communication module allows the EM3000 meter to be used as a comprehensive solution for measuring direct current energy for the entire EMU or locomotive (several units/receivers) and building a multi-system measurement setup,
- the possibility of powering the modules (components) of the EM3000 meter, depending on the version, with voltages: 24V DC, 48V DC, or 110V DC.
Applications:
- on vehicles:
- locomotives,
- electric multiple units (EMU),
- trams,
- trolleybuses;
- in stationary implementations:
- in buildings (e.g., traction substations),
- pole-mounted implementations (e.g., for heating wagons, for 3kV DC/400V AC converter stations, for non-railway customers).
Functions:
- automatic switching between measured traction systems,
- counting consumed and returned energy,
- counting active and reactive energy,
- recording energy in 5-minute (billing CEBD) and 1-minute (statistical) cycles,
- recording the energy collection location (GPS) in a 1-minute cycle,
- recording energy in time zones according to a defined tariff,
- event logging,
- current and voltage measurement and recording,
- wired communication with the traction vehicle's onboard systems,
- transmitting measurement data to energy supplier and carrier acquisition systems (two independent GSM/3G/LTE modules),
- local reading (LCD touch panel),
- self-diagnosis.
EM3000 components:
• DHU – Data Handling Unit – communication part (two modules of the EM3000 v2 version connected, i.e., NN module and MK module, integrated surge protection module),
DHU Module
• HVU – High Voltage Unit DC – (600V DC, 750V DC, 1.5kV DC, or 3kV DC) – measurement part of the EM3000 meter,
HVU Module
• EMU AC – Energy Measurement Unit AC – AC 15kV 16 2/3Hz, AC 25kV 50Hz, DC 3kV, DC 1.5kV – measurement part performing indirect current and voltage measurement from transformers, works with transformers from leading manufacturers in the railway market: S.T.E., RITZ, LEM, SECHERON. It is possible to use transformers installed on the vehicle if they meet the appropriate standards, have the required certificates, and the required accuracy class,
EMU AC Module
• SIG – Signalization Unit – signaling module (optional element of the EM3000 system) controlled by the EMU module,
SIG Module
• EM3000 F+D – sealed overcurrent protection with signaling (optional element of the EM3000 system).
EM3000 F+D Module
Implementations:
EM3000 meters installed on vehicles:
- electric multiple units:
- 31WE, 36WE, 37WE, 45WE,
- 39WE (EN100),
- Flirt (ED160, EN75),
- 48WE,
- EN57, EN57AL, EN71, EN57FPS,
- ED72, ED72A,
- 16WE (ED74),
- 43WE (ED161),
- 14WE (EN61),
- 308B (EN81),
- 34WE (EN96),
- Pendolino (ED250);
- locomotives:
- Dragon (E6ACT, ET25, ET26),
- Griffin (E4DCU, EU160),
- 111Ed Gama,
- Vectron (EU46),
- 4E/303E/303Ea (EU07, EP07, EU07A),
- 203E (ET41),
- 3E (ET21),
- 201E (ET22),
- 104E (EP09),
- TRAXX (E483, E186),
- Skoda 31E (181),
- Skoda 59E (182),
- Skoda 77E (ET40),
- 207E.
Customers:
- carriers:
- PKP Intercity S.A.,
- Polregio S.A.,
- Koleje Mazowieckie – KM Sp. z o.o.,
- Koleje Śląskie Sp. z o.o.,
- Koleje Dolnośląskie S.A.,
- Koleje Małopolskie Sp. z o.o.,
- SKM Warszawa Sp. z o.o.,
- PKP Szybka Kolej Miejska Sp. z o.o. in Tricity,
- PKP Cargo S.A.,
- LOTOS Kolej Sp. z o.o.,
- Ciech Cargo S.A.,
- Orlen KolTrans S.A.,
- Transchem Sp.z o.o.,
- DB Cargo Polska S.A.,
- Railpolonia Sp. z o.o. (Budokrusz Group S.A.),
- Laude Smart Intermodal S.A.,
- Warszawska Kolej Dojazdowa Sp. z o.o..
- rolling stock lessors:
- CARGOUNIT Sp. z o.o.,
- Railpool GmbH.
- rolling stock manufacturers/modernization and repair companies:
- Newag S.A.,
- Siemens Mobility Sp. z o.o.,
- Stadler Polska Sp. z o.o.,
- PESA Bydgoszcz S.A.,
- ZNTK Mińsk Mazowiecki S.A.,
- Olkol Sp. z o.o.,
- Cegielski – Fabryka Pojazdów Szynowych Sp. z o.o.,
- Rail Polska Sp. z o.o..
