Complete transformer substations KTP-250...2500/10(6)0.4 U3, U1 (general industrial)

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Complete transformer substations
Complete transformer substations KTP-250...2500/10(6)0.4 U3, U1 (general industrial)

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Description

COMPLETE TRANSFORMER SUBSTATIONS KTP-250...2500/10(6)0.4 U3, U1 (general industrial)

Complete transformer substations with a capacity of 250-2500 kVA (hereinafter referred to as KTP), with a HV voltage of 6 or 10 kV and a PN voltage of 0.4 kV are designed for receiving, converting and distributing three-phase alternating amperage electrical energy with a frequency of 50 Hz. KTPs are designed for power supply of industrial facilities in areas with a temperate climate (from -25°C to +40°C).

Climatic type U3 according to GOST15150.

Normal operation of the KTP is ensured under the following conditions:

1. Altitude above sea level – no more than 1000 m;

2. The environment is non-explosive, does not contain conductive dust, aggressive gases and vapors in concentrations that reduce the parameters of the KTP to unacceptable limits;

3. Relative humidity up to 80% at a temperature of +20 ° C;

4. Atmosphere type - II according to GOST15150.

KTPs are classified according to the following characteristics.

Signs of KTP classification	Execution
By type of power transformer	with oil power transformer
By type of power transformer	with a dry power transformer
By the method of making the neutral on the low voltage side	with solidly earthed neutral
By the method of making the neutral on the low voltage side	with isolated neutral
By mutual arrangement of the product	Single row (right or left)
By mutual arrangement of the product	double row
By the number of transformers used	single transformer (KTP)
By the number of transformers used	two-transformer (2KTP)
On the execution of the outputs of outgoing low voltage lines	cable down or up
	tires
By climate performance and accommodation category	U3
By the degree of shell protection	IP 31 according to GOST 14254
By the type of circuit breakers installed in the low-voltage switchgear (LVS)	with retractable switches
	with fixed switches
By type of high voltage input device (HVID)	ВВ-1 (blind input) - without switching devices
	SHVV-2 with a VN-RA load switch, PKT fuses and a grounding switch
	SHVV-2В with vacuum switch

The main technical characteristics are given in the table.

Parameter name	KTP (2KTP)
Parameter name	250	400	630	1000	1600	2500
Power transformer capacity, kVA	250	400	630	1000	1600	2500
Nominal voltage HV, kV	6 or 10
Nominal voltage LV, kV	0,4
Nominal current of busbars, kA: HVID LVS	0,4
Nominal current of busbars, kA: HVID LVS	0,36	0,58	0,91	1,445	2,31	3,61
Thermal withstand amperage for 1 s, kA HVID LVS
	20	20	20	20	20	-
	10	10	25	25	30	40
Electrodynamic withstand amperage for 1 s, kA HVID LVS
	51	51	51	51	51	-
	25	25	50	50	70	100
Insulation resistance of circuits, Ohm, not less than HVID LVS	1000
	1,0

In two-row substations, a busbar bridge is provided. The distance between the facades of opposite rows (on request) is 1800, 2300 or 2800 mm. On request, it is possible to manufacture bus bridges of non-standard sizes.

PVN allows connection to two high-voltage cables with a cross-section of 3x150 mm². On request, it is possible to manufacture PVN of other types - with current transformers, voltage transformers, with high-side metering, pass-through type, with sectioning, with automatic reserve switching, and others.

RUN consists of a set of cabinets:

1) SHNV input cabinet;

2) SHNL outgoing line cabinet;

3) Sectional SHNS cabinets - only for two-transformer KTP;

4) Busbars - only for two-row two-transformer KTP;

5) Metering cabinet - on request;

6) Alarm cabinet – on request.

Automatic circuit breakers are installed in RUNN cabinets: on the input and sectioning - withdrawable type; on the outgoing lines - stationary or withdrawable type. Relay equipment, ammeters, voltmeters and metering are located in the upper part of the cabinet. On request, metering is possible in a separate cabinet. The design of RUNN cabinets with stationary circuit breakers ensures that the circuit breaker drives can be operated with the doors closed.

RUNN cabinets provide the ability to connect cables with a diameter of up to 150 mm² in quantities that ensure the rated current of each circuit breaker is removed.

SHNV cabinets (on request) provide the ability to connect busbars.

Two-transformer KTPs provide sectioning and (on request) automatic input of reserve.

Overload protection is provided on request in KTPs. Upon request, the product is equipped with reactive power compensation units.

The range of RUN cabinets is given in the table.

Cabinet type	Switches					Note
	purpose	execution	rated electric current, A	quantity
1	2	3	4		5	6
250 or 400 or 630
SHNV-1	introductory	retractable	250 or 400 or 630	1		3) ,4)
	outgoing lines	stationary	16-250	3
SHNV-2	introductory	retractable	250 or 400 or 630	1		3) ,4)
	outgoing lines	retractable	16-250	3
SHNS-1	sectional	retractable	250 or 400 or 630	1		3) ,4)
	outgoing lines	stationary	16-250	3
SHNS-2	sectional	retractable	250 or 400 or 630	1
	outgoing lines	retractable	16-250	3
SHNS-3	sectional	retractable	250 or 400 or 630	1
	outgoing lines	stationary	16-250	3
1	2	3	4	5		6
SHNS-4	sectional	retractable	250 or 400 or 630	1
	outgoing lines	retractable	16-250	3
SHNL-1	outgoing lines	retractable	16-250	6		3)
SHNL-2	outgoing lines	retractable	16-250	5		3)
SHNL-3	outgoing lines	retractable	16-250	4		3)
SHNL-4	outgoing lines	stationary	16-250	6		3)
SHNL-5	outgoing lines	stationary	16-250	5		3)
SHNL-6	outgoing lines	stationary	16-250	4		3)
1000
SHNV-3	introductory	retractable	1000	1		3) ,4)
	outgoing lines	stationary	160-630	2
SHNV-4	introductory	retractable	1000	1		3) ,4)
	outgoing lines	retractable	160-630	2
SHNV-5	introductory	retractable	1000	1		3) ,4)
	outgoing lines	retractable	1000	1
SHNS-5	sectional	retractable	1000	1
	outgoing lines	stationary	160-630	2
SHNS-6	sectional	retractable	1000	1
	outgoing lines	stationary	160-630	2
SHNS-7	sectional	retractable	1000	1
	outgoing lines	retractable	160-630	2
SHNS-8	sectional	retractable	1000	1
	outgoing lines	retractable	160-630	2
SHNS-9	sectional	retractable	1000	1
	outgoing lines	retractable	160-630	2
SHNS-10	sectional	retractable	1000	1
	outgoing lines	stationary	160-630	2
SHNL-7	outgoing lines	retractable	160-630	5		3)
SHNL-8	outgoing lines	retractable	160-630	4		3)
SHNL-9	outgoing lines	stationary	160-630	5		3)
SHNL-10	outgoing lines	stationary	160-630	4		3)
SHNL-11	outgoing lines	retractable	16-250	2		3)
		retractable	160-630	4
SHNL-12	outgoing lines	stationary	16-250	2		3)
		stationary	160-630	4
1600
SHNV-6	introductory	retractable	1600	1		3) ,4)
	outgoing lines	stationary	160-630	2
SHNV-7	introductory	retractable	1600	1		3) ,4)
	outgoing lines	retractable	160-630	2
1	2	3	4	5		6
SHNV-8	introductory	retractable	1600	1		3) ,4)
	outgoing lines	retractable	1000	1
SHNS-11	sectional	retractable	1600	1
	outgoing lines	stationary	160-630	2
SHNS-12	sectional	retractable	1600	1
	outgoing lines	stationary	160-630	2
SHNS-13	sectional	retractable	1600	1
	outgoing lines	retractable	160-630	2
SHNS-14	sectional	retractable	1600	1
	outgoing lines	retractable	160-630	2
SHNS-15	sectional	retractable	1600	1
	outgoing lines	retractable	160-630	2
SHNS-16	sectional	retractable	1600	1
	outgoing lines	stationary	160-630	2
SHNL-13	outgoing lines	retractable	160-630	5		3)
SHNL-14	outgoing lines	retractable	160-630	4		3)
SHNL-15	outgoing lines	stationary	160-630	5		3)
SHNL-16	outgoing lines	stationary	160-630	4		3)
SHNL-17	outgoing lines	retractable	16-250	2		3)
		retractable	160-630	4
SHNL-18	outgoing lines	stationary	16-250	2		3)
		stationary	160-630	4
SHNL-19	outgoing lines	retractable	1000	1		3)
SHNL-20	outgoing lines	retractable	1600	1		3)
SHNL-21	outgoing lines	retractable	1000	2		3)
2500
SHNV-09	introductory	retractable	2500	1		3) ,4)
	outgoing lines	retractable	160-630	1
SHNV-10	introductory	retractable	2500	1		3) ,4)
	outgoing lines	retractable	1000	1
SHNV-11	introductory	retractable	2500	1		3) ,4)
SHNS-17	sectional	retractable	2500	1
SHNS-18	sectional	retractable	2500	1
	outgoing lines	retractable	160-630	1
SHNS-19	sectional	retractable	2500	1
	outgoing lines	retractable	1000	1
SHNS-20	sectional	retractable	2500	1
	outgoing lines	retractable	160-630	1
SHNS-21	sectional	retractable	2500	1
	outgoing lines	retractable	1000	1
1	2	3	4	5		6
SHNS-22	sectional	retractable	2500	1
SHNS-23	sectional	retractable	2500	1
	outgoing lines	retractable	160-630	1
SHNS-24	sectional	retractable	2500	1
	outgoing lines	stationary	1000	1
SHNL-21	outgoing lines	retractable	160-630	5		3)
SHNL-22	outgoing lines	retractable	160-630	4		3)
SHNL-23	outgoing lines	stationary	160-630	5		3)
SHNL-24	outgoing lines	stationary	160-630	4		3)
SHNL-25	outgoing lines	retractable	16-250	2		3)
		retractable	160-630	4
SHNL-26	outgoing lines	stationary	16-250	2		3)
		stationary	160-630	4
SHNL-27	outgoing lines	retractable	1600	1		3)
SHNL-28	outgoing lines	retractable	2500	1		3)
SHNL-29	outgoing lines	retractable	1600	2		3)
SHNL-30	outgoing lines	retractable	1000	1		3)
		retractable	160-630	4
SHNL-31	outgoing lines	retractable	1600	1		3)
		retractable	160-630	3
SHNL-32	outgoing lines	retractable	2500	1		3)
		retractable	160-630	1
SHNL-31	outgoing lines	retractable	1600	1		3)
		stationary	160-630	2

1) Custom cabinets are equipped with circuit breakers OEZ (Czech Republic), EFEN (Germany), ETI (Slovenia), ABB, Siemens, Merlin Gerin, Schneider Elektrik, Moeller and others;

2) All entrance cabinets have the right version;

3) There is a version with an exit to the busbar of a double-row KTP;

4) There is a version with an exit of busbars to the main busbar.