Unfused Capacitor Units

Notes

Unfused capacitor units refer to capacitors that are not equipped with a fuse for protection. Fuses are often used in capacitor units to protect against overcurrent or short-circuit conditions that could lead to damage or failure of the capacitor.

。Voltage level: 1 ~ 24kV

。Capacity level: 100 ~ 800kvar

。Capacitance deviation: -3% ~ +5%

。Dielectric loss tangent value: ≤0.03%

Detailed introduction

Unfused capacitor units refer to capacitors that are not equipped with a fuse for protection. Fuses are often used in capacitor units to protect against overcurrent or short-circuit conditions that could lead to damage or failure of the capacitor. Unfused capacitor units may be used in applications where the risk of overcurrent or short-circuit conditions is minimal, or where other protective measures are in place to prevent such events. However, it is important to carefully consider the potential risks and protective measures when using unfused capacitor units to ensure the safety and reliability of the electrical system.

Zhiyue's Power series medium-voltage, single-phase, all-film, unfused capacitors feature extended-foil elements, solderless connections and laser-cut aluminum foil in a high stacking factor design. Designed, manufactured and tested to meet or exceed the requirements of applicable ANSI/IEEE/IEC standards, these capacitors are a simple, economical and reliable source of reactive power on electric power systems.

 

 

Unfused Capacitor Units Technical data:

Voltage level: 1 ~ 24kV


Capacity level: 100 ~ 800kvar


Capacitance deviation: -3% ~ +5%


Dielectric loss tangent value: ≤0.03%


Discharge device: Yes

Protection methods: no fuse

 

Unfused Capacitor Units RATINGS

Product offerings

Standard-duty (SD type) capacitors

Heavy-duty (HD type) capacitors

Extreme-duty cold (XDC) capacitors

Extreme-duty base (XDB) capacitors

Extreme-duty hot (XDH) capacitors

Wildfire mitigation capacitors

Voltage (V)

2,400 - 22,800

Basic Insulation Level (BIL)

95 - 200 kV

Standard kvar

50 - 800

Temperature rating

-40 to +55 °C (Standard-duty ratings)

-40 to +55 °C (Heavy-duty ratings)

-50 to +40 °C (Extreme-duty cold ratings)

-40 to +55 °C (Extreme-duty base ratings)

0 to +75 °C (Extreme-duty hot ratings)

Continuous rms overvoltage capability

110% (Standard-duty ratings)

125% (Heavy-duty ratings)

125% (Extreme-duty cold ratings)

125% (Extreme-duty base ratings)

125% (Extreme-duty hot ratings)

Peak overvoltage capability

120% (Standard-duty ratings)

135% (Heavy-duty ratings)

135% (Extreme-duty cold ratings)

135% (Extreme-duty base ratings)

135% (Extreme-duty hot ratings)

Tank rupture curve defined through

10 kA (Standard-duty ratings)

10 kA (Heavy-duty ratings)

15 kA (Extreme-duty cold ratings)

15 kA (Extreme-duty base ratings)

15 kA (Extreme-duty hot ratings)

20 kA (Wildfire mitigation ratings)

 

UNIT TANK

Tank design

409 stainless-steel, robotically seam welded, gasketless hermetically sealed, light-gray finish

Tank coating

Tank is sand blasted, industrial washed and dried, finished with an epoxy primer and a urethane topcoat coating system

Mounting provisions

Stainless-steel mounting brackets with industry-standard 15.62-in. mounting center for unit interchangeability; under-side of each bracket is unpainted for positive grounding

 

UNIT FEATURES

Number of bushings

1 or 2

Bushing construction

Light gray, porcelain bushings: glazed for high strength and durability and molecularly bonded gasketless hermetically sealed to the capacitor tank

Internal discharge resistors

Integrated safety provision to dissipate terminal voltage in accordance with IEEE and IEC standards requirements

Terminal size

Parallel-groove terminals accommodate copper or aluminum conductors from AWG #8 solid to AWG #1 stranded

Terminal cap

Uninterrupted continuous current path from elements to nickel-plated terminal caps utilizing heavy duty lead wires

 

APPLICATION DETAILS

Applications

Pole-mounted banks, open air banks (externally fused or fuseless), metal-enclosed banks, mobile capacitor bank and specialty applications (HVDC, Series, FACTS)

Protection

Externally fused

Unbalanced protection available in H-Bridge or differential methods

 

STANDARDS

IEEE

Std 18-2002 (Standard-duty ratings)

Std 18-2012 (Heavy-duty ratings)

Std 18-2012 with temperature exceptions as noted in technical data (Extreme-duty cold, base & hot ratings)

IEC

60871-1

CSA

CAN/CSA-C871-1

 

Unfused Capacitor Units Characteristics:

· All-film, extended-foil, solderless capacitors with a high stacking factor

· Stainless-steel tank with light-gray finish for resistance to severely corrosive atmospheres

· Environmentally acceptable proprietary dielectric fluid that provides an ideal balance between low- and high-ambient temperature operation

· Light-gray, porcelain bushings: glazed for high strength and durability and hermetically sealed with gasket-free design

· Internal discharge resistors that reduce terminal voltage to meet IEEE and IEC standards requirements after the capacitor has been disconnected

 

SPECIFICATION RATED VOLTAGE
(kV)
Un
RATED CAPACITY
(kVAR)
Qn
RATED CAPACITY
(μF)
Cn
RATED CURRENT
(A)
In
Frequency
(Hz)
BAM6.3-25-1W 6.3 25 2.01  3.97  50
BAM6.3-30-1W 6.3 30 2.41  4.76  50
BAM6.3-50-1W 6.3 50 4.01  7.94  50
BAM6.3-100-1W 6.3 100 8.02  15.87  50
BAM6.3-150-1W 6.3 150 12.04  23.81  50
BAM6.3-200-1W 6.3 200 16.05  31.75  50
BAM6.3-300-1W 6.3 300 24.07  47.62  50
BAM6.3-334-1W 6.3 334 26.80  53.02  50
BAM6.6-25-1W 6.6 25 1.83  3.79  50
BAM6.6-30-1W 6.6 30 2.19  4.55  50
BAM6.6-50-1W 6.6 50 3.66  7.58  50
BAM6.6-100-1W 6.6 100 7.31  15.15  50
BAM6.6-150-1W 6.6 150 10.97  22.73  50
BAM6.6-200-1W 6.6 200 14.62  30.30  50
BAM6.6-300-1W 6.6 300 21.93  45.45  50
BAM6.6-334-1W 6.6 334 24.42  50.61  50
BAM6.6/√3-25-1W 6.6/√3 25 1.83  6.56  50
BAM6.6/√3-30-1W 6.6/√3 30 2.19  7.87  50
BAM6.6/√3-50-1W 6.6/√3 50 3.66  13.12  50
BAM6.6/√3-100-1W 6.6/√3 100 7.31  26.24  50
BAM6.6/√3-150-1W 6.6/√3 150 10.97  39.36  50
BAM6.6/√3-200-1W 6.6/√3 200 14.62  52.48  50
BAM6.6/√3-300-1W 6.6/√3 300 21.93  78.73  50
BAM6.6/√3-334-1W 6.6/√3 334 24.42  87.65  50
BAM10.5-50-1W 10.5 50 1.44  4.76  50
BAM10.5-100-1W 10.5 100 2.89  9.52  50
BAM10.5-150-1W 10.5 150 4.33  14.29  50
BAM10.5-200-1W 10.5 200 5.78  19.05  50
BAM10.5-300-1W 10.5 300 8.67  28.57  50
BAM10.5-334-1W 10.5 334 9.65  31.81  50
BAM11-100-1W 11 100 2.63  9.09  50
BAM11-150-1W 11 150 3.95  13.64  50
BAM11-200-1W 11 200 5.26  18.18  50
BAM11-300-1W 11 300 7.90  27.27  50
BAM11-334-1W 11 334 8.79  30.36  50
BAM12-100-1W 12 100 2.21  8.33  50
BAM12-150-1W 12 150 3.32  12.50  50
BAM12-200-1W 12 200 4.42  16.67  50
BAM12-300-1W 12 300 6.63  25.00  50
BAM12-334-1W 12 334 7.39  27.83  50
BAM11/√3-50-1W 11/√3 50 3.95  7.87  50
BAM11/√3-100-1W 11/√3 100 7.90  15.75  50
BAM11/√3-150-1W 11/√3 150 11.84  23.62  50
BAM11/√3-200-1W 11/√3 200 15.79  31.49  50
BAM11/√3-300-1W 11/√3 300 23.69  47.24  50
BAM11/√3-334-1W 11/√3 334 26.37  52.59  50
BAM12/√3-100-1W 12/√3 100 7.90  15.75  50
BAM12/√3-150-1W 12/√3 150 11.84  23.62  50
BAM12/√3-200-1W 12/√3 200 15.79  31.49  50
BAM12/√3-300-1W 12/√3 300 23.69  47.24  50
BAM12/√3-334-1W 12/√3 334 26.37  52.59  50
BAM12/√3-400-1W 12/√3 400 31.58  62.98  50
BAM11-100-3W 11 100 2.63  5.25  50
BAM11-150-3W 11 150 3.95  7.87  50
BAM11-200-3W 11 200 5.26  10.50  50
BAM11-300-3W 11 300 7.90  15.75  50
BAM11-334-3W 11 334 8.79  17.53  50
BAM12-100-3W 12 100 2.21  4.81  50
BAM12-150-3W 12 150 3.32  7.22  50
BAM12-200-3W 12 200 4.42  9.62  50
BAM12-300-3W 12 300 6.63  14.43  50
BAM12-334-3W 12 334 7.39  16.07  50
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