12kv/24kv/38kv/72.5kv 3p Automatic Single Tripping Vacuum Circuit Breaker

• Customization: Available
• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Electric Type
• Model NO.: ZW
• Speed: High-Speed Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection
• Certification: ISO9001-2000
• Transport Package: Wooden
• Specification: 72.5KV 3150A
• Trademark: HEMG
• Origin: China
• Production Capacity: 10000

Product Description

72.5KV 3150A 60HZ OUTDOOR HVAC  SINGLE PHASE OPERATION vacuum  CIRCUIT BREAKR  

 

ITEM	DESCRIPTION				UNIT	REQUIRED	GUARANTEED
1,0	GENERAL DATA
1,1	Manufacturer					Indicate	HEMG
1,2	Type					Tanque vivo	LIVE TANK
1,3	Country					Indicate	CHINA
1,4	Standards of manufacture					IEC 62271-100	IEC62271-100
						IEC 60056	IEC60056
1,5	Altitude of installation				m.o.s.l	2500	2500
1,6	Pollution Level					31mm/kV	31MM/KV
1,7	Corrosion index					Medium	IV
2,0	NOMINAL DATA AND CHARACTERÍSTICS
2,1	Frequency				Hz	60	60
2,2	Characterístics of voltage:
	- Nominal Voltage				kV	60	60
	- Max voltaje of the system				kV	72.5	72.5
	-  Max voltaje of the equipment				kV	72.5	72.5
2,3	Insulation Level
	-          Withstand frequency, 1 min.	voltage	at	industrial	kV	140	140
	-  Withstand voltage at impulse 1,2/50 ms				kVp	325	325
2,4	Characterístics of Current
	- Nominal current				A	1250	1250
	- Short circuit current				kA	31.5	31.5
	-  Rated short-circuit current				kAp		80
	-  Short circuite duration				s	3	3
2,5	-    Nominal  operating  sequence  (tripolar reconnection)					O - 0,3s -   CO - 3min- CO	O-0.3S-CO-3MIN-CO

 

2,6	Operating                      characteristics:                      (operating times)
	Duration of maneuver
	-     closing time	ms	<70	<=70
	-break time	ms	<50	<= 50
	-Opening time	ms	<35	<=35
	- Total opening duration for 10% bursting power	ms	Indicate	<= 70
	Symmetrica	ms	Indicate	<=3
	Asymmetrica	ms	Indicate	<=3
	- 30% of rupture power	ms	Indicate
	Symmetrica	ms	Indicate	<=3
	Asymmetrica	ms	Indicate	<=3
	- 60%  of ruptura power	ms	Indicate
	Symmetrica	ms	Indicate	<=3
	Asymmetrica	ms	Indicate	<=3
	- 100%  of ruptura power	ms	Indicate
	Symmetrica	ms	Indicate	<=3
	Asymmetrica	ms	Indicate	<= 3
	- Close	ms	Indicate	<=70
	Duration of closure between the moment the order is issued and the closing of the contacts	ms	Indicate	100
	Maximum deviation of simultaneity	ms	Indicate	<=3
	Between the three poles of the switch		Indicate	<=3
	To the opening	ms	Indicate	<=35
	To the close	ms	Indicate	<=70
2,7	First pole opening factor		1,5	1.5
2,8	Maximum     opening                      time                      difference between two diferent poles	ms	3	3

 

 

 

2,9	Transient Recovery Voltage (TRV)				kV	Indicate	181.8
2.1	Rate of rise recovery voltage (TRV)				KV/ms	Indicate	0.72
2,11	Breaking Chambers:	Power	and	Interruption
	- Arc extinción way					SF6	SF6
	-  Number of cut-off chambers per phase				u	1	1
	- Number of capacitors of distribution					Indicate	0
	- Opening distance between contacts				mm	Indicate	27MM
	- Pressure of the extinguishing medium in the extinguishing chambers				MPa	Indicate	0.55
2,12	Control device
	- Model					Indicate	CT-1
	-     Functioning					One      -Three phase	SINGLE PHASE OPERATION ,THREE PHASE
	- Type of mechanism of operation					By        spring   / engine	BY       SPRING ENGINE	-
	- Load of mechanism						600W
	. Manual					Yes	YES
	. Eléctric					Yes	YES
	-  Motor supply voltage				Vdc	110            +10%/- 20%	110(-20% +10%)
	-  Auxiliary voltage (controls)				Vdc	110            +10%/- 20%	110V(-20%+10%)
	- Current of the engine				A	Indicate	8A
	- Power of the engine				W	Indicate	600W
	- Contacts auxiliars					10 NO + 10 Nc	10NO+10NC
	Maximum allowed number of starts per 24 hours, time of each operation					Indicate	1000
	Oil type of control device					Indicate	GREESE

 

	Amount of oil per switch			Indicate		15G
	Operation in case of loss of energy
	With closed switch			Indicate		350W
	With closed open			Indicate		250W
2,13	BUSHING
	- Brand			Indicate		PUKO
	- Type			Indicate		ZSW
	- Material			Porcelain		PROCELAIN
	- Total leakage distance		mm	Indicate		4100
	- Specific leakage distance		mm/kV	31		31
	-  Electrodynamic flexural load		N	Indicate		6000
	- Capacitance		PF	Indicate		0.48
	- Factor  of dissipation		%	Indicate		<=0.5
2,14	CHARACTERÍSTICS DIELÉCTRICS
	-       Extinguishing   fluid  pressure  in interruption chambers (gas)	the	Bar	Indicate		0.55MPA
	- Guaranteed number of IN interruptions without changing the extinguishing medium			Indicate		20TIMES
	-       Of   0,5   Icc    without   changing extinguishing fluid	the		Indicate		1000TIMES
	Maximum annual SF6 gas loss			0.5%		<=0.5%
3,0	CIRCUITS AUXILIARS
3,1	Coils of close and open :
	-  Number of trigger coils			2		2
	- Number of coils of close			1		1
	- Voltage nominal		Vcc	110 15%	+10%/-	110(-15% TO +10%)
	- Power of the coils		W	Indicate		300w
3,2	Heating of the control box and drive:

 

 

 

	- Voltage nominal	Vca	Indicate		220v
	- Power	W	Indicate		100
	-  Thermostat Control Range	ºC	Indicate		<=15
	- Frequency	Hz	60		50
3,3	Internal blocks in the control device:
	- Closing Interlock Voltage	Vdc	110 20%	+10%/-	110 +10%/-20%
	- Opening Interlock Voltage	Vdc	110 20%	+10%/-	110 +10%/-20%
	- Voltage of anti-pumping relays	Vdc	110 20%	+10%/-	110 +10%/-20%
3,4	Alarms:
	- Low pressure of gas		Yes		yes
	- Failure of control device		Yes		yes
3,5	Signaling
	-  Counter of operations of the switch		Yes		yes
	- Mechanical position indicator		Yes		yes
4,0	AUTOMÀTYC CLOSE
	Alarms		Yes		yes
	- Closing deadlock		Yes		yes
	- Opening Interlock		Yes		yes
	Discordance		Yes		yes
	Position signaling		Yes		yes
	Counter of maneuvres of the circuit breaker		Yes		yes
	Mechanical position indicator		Yes		yes
	Position auxiliary contacts mechanically connected to the control device (minimum 7)		Indicate		10NC+15NO

 

5,0	EXTREME OPERATING TEMPERATURES	oC	Indicate	-30ºC,+85ºC
6,0	HEATINGS
	-    Heating  of  the  contacts in continuous operation under IN switch	oC	Indicate	<=15
	- Heating of the contacts under Icc during the maximum permissible time	oC	Indicate	<=15
	- Heating in continuous operation of the extinguishing medium under In	oC	Indicate	<=15
7,0	SUPPLY                  SUPPORT          AND                  ANCHORING BOLTS		Yes	yes
7,1	The metal frames needed for the Switch, will include the supply, They could be fabricated for a direct fixing, also, the structures support.		Yes	yes
7,1	Galvanized support and hardware	um	100	100uM
8,0	MASSES,                       DIMENSIONS,                       EFFORTS, SCHEMES AND NOTES
8,1	Weights:
	- Total weight of the circuit breaker	kg	Indicate	1800
	- Total weight of the control box	kg	Indicate	90
	- Weight of the chamber	kg	Indicate	300
	- Weight of 1 pole for transport	kg	Indicate	1000
8,2	Dimensions:
	- Dimensions of terminal HV	mm	Indicate	2041
	- Dimensions of the box for transport	mm	Indicate	SEE            TRANSPORT LIST
	- Drawing of the outer dimensions of switch completely assembled and with all its accessories	Nº	Indicate	SEE                   LAYOUT DRAWING
	- Drawing of the external  dimensions  of the pole of the switch to the assembly (placement on site with indications of normal means of lifting and transport)	Nº	Indicate	SEE LAT DRAWING
	- Drawing of exterior dimensions of the largest piece, for transport purposes	Nº	Indicate	SEE               TRANSORT LIST

 

 

 

8,3	Efforts :
	- Permissible longitudinal effort on the terminal of H.V.				N	Indicate	1250
	- Permissible transverse force on terminal of H.V.				N	Indicate	750
	-     Effort     transmitted    to       foundation foundations during operation					Indicate	1000
	At close				kN	Indicate	35
	At open				kN	Indicate	26
8,4	Schemes:
	- Drawing of the external dimensions of the Switch Assembled with all its accessories					Yes	YES
	- Drawing the outer dimensions of the largest piece for transport purposes					Yes	YES
	-  Drawing of the support structure					Yes	YES
	- Drawing with the dimensions of packing box					Yes	YES
8,5	Notes:
	- Note descriptive of breaker					Yes	YES
	- Note descriptive of control device					Yes	YES
	-    List      of equipments	reference	supply	similar		Yes	YES
9,0	MINIMUM DISTANCES
	- Distance between pole axes				mm	1750	1750
	- Minimum height of the base of the support to the bottom of the porcelain of the insulator				mm	Indicate	2500
10,0	SEISMIC CONDITIONS					Horizontal seismic acceleration of    0.5g       and vertical seismic acceleration	0.5G/0.2G

 

			of 0.2g	YES
11,0	TESTS		IEC            62271- 100	YES