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2 619 625

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(51)

IPC

B60M1/00(2006-01-01)

G01R31/08(2006-01-01)

(21) (22)

Application

2015140432, 2015-09-22

(24)

Start date

2015-09-22

(22)

Actual filing date

2015-09-22

(45)

Published

2017-05-17

(72)

Inventor

Figurnov Evgenij PetrovichZharkov Yurij IvanovichKharchevnikov Valerij Igorevich

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Obrazovatelnoe Uchrezhdenie Vysshego Professionalnogo Obrazovaniya Gosudarstvennyj Universitet Putej Soobshcheniya"

METHOD OF DETERMINING REMOTENESS OF SHORT CURCUIT IN CONTACT NETWORK OF ELECTRIC TRANSPORT (VERSIONS) Russian patent published in 2017 - IPC B60M1/00 G01R31/08

Abstract RU 2619625 C2

FIELD: electricity.

SUBSTANCE: method for determining the remoteness of the short-circuit of the contact network is that at the moment of a short circuit the values of the currents (I_A, I_B), voltages (U_A, U_B) and phase angles (ϕ_A, ϕ_B) therebetween are measured at adjacent substations. Additional phase angles (ψ_A, ψ_B) are determined, using the parameters of the no-load voltage (U_A0, U_B0) and of resistances (X_nA, X_nB). By means of implementing the computational algorithms, additional modules () and arguments () of the substitution circuit resistances, the current modulus (I_K) and the current argument (γ_K) in the short circuit location are found. Then the distances from substation A to the short circuit location are determined.

EFFECT: increasing the accuracy and simplifying the method for determining the remoteness of a short circuit.

2 cl, 3 dwg

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RU 2 619 625 C2

Authors

Figurnov Evgenij Petrovich

Zharkov Yurij Ivanovich

Kharchevnikov Valerij Igorevich

Dates

2017-05-17—Published

2015-09-22—Filed