KYN61-40.5 KV

Type meaning

华通型号说明.png

Environment conditions

1. Ambient Temperature:-40℃~+40℃

2. Mounting Height:≤1000m (Altitude)

3. Relative humidity around: daily average 95%, monthly average w90%;

4. Surrounding air: not applicable to places with corrosion, serious pollution, combustible gas and violent vibration;

5. If an earthquake occurs, the earthquake intensity shall not exceed magnitude 8.Structural features

Main technical parameters

Main technical parameters

Project		Unit	Parameters
Rated voltage		KV	40.5
Rated insulation level	Lightning impulse withstand voltage (full wave)	KV	185
Rated insulation level	Power frequency withstand voltage (1min)	KV	95
Rated frequency		HZ	50
Rated current		A	630;1250;1600;2000
Rated short circuit breaking time	Power frequency withstand voltage (1min)	KV	20、25、31.5
Rated sh or t-circuit making current (peak)		KV	50、63、80
Rated dynamic stability current (peak)		KV	50、63、80
4S thermal stability current (effective value)		KV	20、25、31.5
Enclosure protection class	Vacuum circuit breaker cabinet	MM	IP4X
Overall dimension (width× deep× High)	SF6 circuit breaker cabinet	MM	1400×2200×2600

Circuit breaker technical parameter

High		2650
Width	Rated current 1600A and above	1400
Deep	Lower cable inlet and outlet	2870
Deep	Overhead incoming and outgoing lines	2950

Circuit breaker technical parameter

Project		Unit	Parameters
Rated voltage		KV	40.5
Rated insulation level	Lightning impulse withstand voltage (full wave)	KV	185
	Power frequency withstand voltage (1min)		95
Rated frequency		HZ	50
Rated current		A	1250;1600;2000	630;1250;1600;2000
Rated sh or t circuit breaking time		KV	20、25、31.5	20、25、31.5
Rated sh or t-circuit making current (peak)		KV	50、63、80	63、80
Rated dynamic stability current (peak)		KV	50、63、80	63、80
4S thermal stability current (effective value)		KV	20、25、31.5	25、31.5(3s)
Opening time		ms	36~60	≤ 45
Closing time		ms	40~90	≤ 75
Rated operating sequence			Off-0.3s-On-Off-180S-On-Off

Component structure diagram

华通图片.png

Main circuit scheme diagram

Scheme number		01	02	03	04	05
Main circuit scheme diagram
	Vacuum circuit breaker ZN85-40.5	1	1	1	1	1
	Current transformer LDJ5-35		3	3	6
	Voltage transformer JDJ9-35
	Lightning arrester HY5WZ	0 or 3to select	0 or 3to select	0 or 3to select	0 or 3to select	0 or 3to select
	Grounding switch JN12-35	0 or 1to select	0 or 1to select	0 or 1to select	0 or 1to select	0 or 1to select
	Live display	0 or 1to select	0 or 1to select	0 or 1to select	0 or 1to select	0 or 1to select
	Fuse XRNP-35
Transformer SC9-35
Purpose		Overhead incoming (outgoing) line	Overhead incoming (outgoing) line	Overhead incoming (outgoing) line	Overhead incoming (outgoing) line	Cable incoming (outgoing) line

Scheme number		06	07	08	09	10
Main circuit scheme diagram
	Vacuum circuit breaker ZN85-40.5	1	1	1	1	1
	Current transformer LDJ5-35	1~3	1~3	4~6		1~3
	Voltage transformer JDJ9-35
	Lightning arrester HY5WZ	0 or 3to select	0 or 3to select	0 or 3to select
	Grounding switchJN12-35	0 or 1to select	0 or 1to select	0 or 1to select
	Live display	0 or 1to select	0 or 1to select	0 or 1to select
	Fuse XRNP-35
Transformer SC9-35
Purpose		Cable incoming (outgoing) line	Cable incoming (outgoing) line	Cable incoming (outgoing) line	Left (right) contact	Left (right) contact

Scheme number		11		12	13	14	15
Main circuit scheme diagram
	Vacuum circuit breaker ZN85-40.5		1	1	1	1	1
	Current transformer LDJ5-35		1~3	4~6		1~3
	Voltage transformer JDJ9-35
	Lightning arrester HY5WZ
	Grounding switchJN12-35
	Live display
	Fuse XRNP-35
Transformer SC9-35
Propose			Left (right) contact	Left (right) contact	Overhead incoming (outgoing) line	Overhead incoming (outgoing) line	Overhead incoming (outgoing) line

Scheme number		16	17	18	19	20
Main circuit scheme diagram
	Vacuum circuit breaker ZN85-40.5
	Current transformer LDJ5-35	1~3		1~3	1~3	4~6
	Voltage transformer JDJ9-35
	Lightning arrester HY5WZ
	Grounding switchJN12-35
	Live display
	Fuse XRNP-35
Transformer SC9-35
Purpose		Cable incoming(outgoing) line	Left (right) contact	Left (right)contact	Left (right) contact	Left (right) contact

Scheme number		21	22	23	24	25
Main circuit scheme diagram
	Vacuum circuit breaker ZN85-40.5
	Current transformer LDJ5-35		1~3	1~3		1~3
	Voltage transformer JDJ9-35
	Lightning arrester HY5WZ
	Grounding switchJN12-35	0 or 1to select	0 or 1to select	0 or 1to select	0 or 1to select	0 or 1to select
	Live display	0 or 1to select	0 or 1to select	0 or 1to select	0 or 1to select	0 or 1to select
	Fuse XRNP-35
Transformer SC9-35
Purpose		Overhead incoming (outgoing) line	Overhead incoming (outgoing) line	Overhead incoming (outgoing) line	Cable incoming (outgoing) line	Cable incoming (outgoing) line

Scheme number		26	27	28	29	30
Main circuit scheme diagram
	Vacuum circuit breaker ZN85-40.5
	Current transformer LDJ5-35	1~3	1~3	1~3	1~3	1~3
	Voltage transformer JDJ9-35		2	2	2	2
	Lightning arrester HY5WZ
	Grounding switchJN12-35	0 or 1to select
	Live display	0 or 1to select
	Fuse XRNP-35		3	3	3	3
Transformer SC9-35
Purpose		Cable incoming (outgoing) line	Metering and Overhead incoming line	Metering and Overhead incoming line	Metering and Overhead incoming line	Metering and Overhead incoming line

Scheme number		31	32	33	34	35
Main circuit scheme diagram
	Vacuum circuit breaker ZN85-40.5
	Current transformer LDJ5-35	1~3	1~3
	Voltage transformer JDJ9-35	2	2	1~3	1~3	1~3
	Lightning arrester HY5WZ
	Grounding switchJN12-35
	Live display
	Fuse XRNP-35	3	3	3	3	3
Transformer SC9-35
Purpose		Metering and contact	Metering and contact	Voltage transformer	Voltage transformer and Cable incoming (outgoing) line	Voltage transformer and contact

Scheme number		36	37	38	39	40
Main circuit scheme diagram
	Vacuum circuit breaker ZN85-40.5
	Current transformer LDJ5-35	1~3		1~3	1~3	4~6
	Voltage transformer JDJ9-35
	Lightning arrester HY5WZ		3	3	3	3
	Grounding switchJN12-35
	Live display
	Fuse XRNP-35	3			3	3
Transformer SC9-35
Purpose		PT and Overhead incoming (contact) line	Lightning arrester	Lightning arrester and Cable incoming (outgoing) line	Lightning arrester and contact	Lightning arrester and Overhead incoming (contact) line

Scheme number		41	42	43
Main circuit scheme diagram
	Vacuum circuit breaker ZN85-40.5
	Current transformer LDJ5-35
	Voltage transformer JDJ9-35	1~3
	Lightning arrester HY5WZ	3
	Grounding switchJN12-35
	Live display
	Fuse XRNP-35	3
Transformer SC9-35			1	1
Purpose		Lightning arrester and contact(PT)		Transformer for substation

Ordering instructions:

The following technical data shall be provided when ordering:

1. Main circuit scheme number, purpose and main circuit scheme, layout plan and arrangement diagram of distribution room, etc;

2. Requirements f or control, measurement and protection functions of switchgear and requirements for other enclosed and automatic devices;

3. Model, specification and quantity of electrical components of switchgear;

4. If bus bridge connection is required between switchgear or into eel cabinet, specific requirements data such as rated flow of bus bridge, span of bus bridge and height from the ground shall be provided;

5. When the switchgear is used under special environmental conditions, it shall be described in detail when ordering;

6. Other special requirements shall be negotiated with the company.

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