Manufacturer of Transformer Porcelain Bushing for 20000A

• Application: High-voltage
• Material: Porcelain
• Structure: Bushing Insulator
• Usage: High Voltage Power Transmission
• Connection Method: Trough Type
• Certification: ISO9001
• Model NO.: CBRGL
• Transport Package: Plywood Crates
• Specification: CBRGL-123/1250
• Trademark: ChinSun
• Origin: China
• HS Code: 85479090
• Production Capacity: 8500

Product Description

Product Description:

Introducing the high-quality 20 kV Insulator manufactured by Shandong ChinSun Electrical Equipment Co., Ltd. This insulator is designed to meet the demanding requirements of power distribution systems with exceptional performance characteristics:

• Rated Voltage: 20 kV
• Rated Frequency: 50/60 Hz
• Rated Current: 14,000 A
• 1-Minute Power-Frequency Withstand Voltage (Dry): 55 kV
• Partial Discharge Level at 20 kV: ≤10 pC
• Tanδ of Bushings: ≤0.5%
• Lightning Impulse Withstand Voltage (Dry): 125 kV
• Rated Thermal Short-Time Current for 2 Seconds (Ith): 100 kA
• Rated Dynamic Current (Id): 250 kA
• Conductor Material: Aluminum Tube
• Test Tap Voltage Withstand Level: 2 kVrms
• Creepage Distance: Not Less Than 600 mm
• Installation Angle: Between 0 and 90 Degrees
• Altitude Above Mean Sea Level: ≤1,000 m
• Test Cantilever Load: 3,150 N
• Conductor Type: Bottom Connection
• Ambient Temperature Range: -55°C to +55°C
• Internal Insulation: Resin Impregnated Paper (RIP)
• External Insulation/Color: Porcelain/Brown
• Compliance with Standard: IEC 60137

Experience reliability and durability with the 20 kV Insulator from Shandong ChinSun Electrical Equipment Co., Ltd. Ideal for various applications, this insulator ensures safe and efficient power distribution in diverse environments.

Key technical parameters-IEC 60137-2017
Standard	IEC 60137-2017
Highest voltage for equipment  Um	kV	24	36	52	72.5	100	123	145	170	245	300	362	420	550
Rated frequency	Hz	50/60	50/60	50/60	50/60	50/60	50/60	50/60	50/60	50/60	50/60	50/60	50/60	50/60
Dry power frequency withstand voltage 1minute	kV	55	77	105	155	205	255	305	355	505	505	560	750	870
Lightning impulse(BIL)	kV	125	170	250	325	450	550	650	750	1050	1050	1175	1550	1800
Switching impulse(SIL)	kV	-	-	-	-	-	-	-	-	850	850	950	1175	1300
Maximum Rated Current     (Draw-lead/removeable rod)	A	1250/ 2000	1250/ 2000	1250/ 2000	1250/ 2000	1250/ 2000	1250/ 2000	1250/ 2000	1250/ 2000	1250/ 2000	1250/ 2000	1250/ 2000	1250/ 2000	1250/ 2000
Maximum Rated Current  (Solid conductor)	A	4000	4000	4000	3150	3150	3150	3150	3150	3150	3150	3150	3150	3150
Temperature range	ºC	Down to -60°C up to +55°C available on request
Key technical parameters-IEEE C57.19.01-2017
Standard	IEEE C57.19.01-2017
Highest voltage for equipment  Um	kV	25	34.5	46	69	115	138	161	230	345	500
Rated frequency	Hz	50/60	50/60	50/60	50/60	50/60	50/60	50/60	50/60	50/60	50/60
Dry power frequency withstand voltage 1minute	kV	60	80	105	160	260	310	365	425	520	750
Lightning impulse(BIL)	kV	150	200	250	350	550	650	750	900	1175	1675
Switching impulse(SIL)	kV	-	-	-	-	-	-	-	-	825	1175
Maximum Rated Current  (Draw-lead/removeable rod)	A	800/ 2000	800/ 2000	800/ 2000	800/ 2000	800/ 2000	800/ 2000	800/ 2000	800/ 2000	800/ 2000	800/ 2000
Maximum Rated Current     (Solid conductor)	A	5000	5000	4000	4000	3000	4000	3000	5000	3000	3000
Temperature range	ºC	Down to -60°C up to +55°C available on request

 

Product Name:

52kV - 550kV Transformer Bushings

Category:

Insulator

Keywords:

Rip Bushings, Bushings for Oil Circuit Breaker, 220kV Bush, Oil Circuit Breaker Bushings, Rip Bushings for Breaker, 220kV Circuit Breaker Bush, Insulator Bushings for Switchgear, Polymer Bushings for Power System, Resin Bushings for High Voltage, Porcelain Bushings for Transformer, Bushings for GIS Equipment, Outdoor Circuit Breaker Bushings, Cable Termination Bushings, Circuit Breaker Bushings, Safety Bushings, Oil Breaker Bushings, 220kV Bushings, Porcelain Bushings, GIS Equipment Bushings, Outdoor Bushings

Company Name:

Shandong ChinSun Electrical Equipment Co., Ltd.