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Wiring Diagram Dual Capacitor-
Is the capacitor a power source or a load
A capacitive power supply or capacitive dropper is a type of that uses the of a to reduce higher to a lower voltage. It is a relatively inexpensive method compared to typical solutions using a, however, a relatively large mains-voltage capacitor is required an.
FAQs about Is the capacitor a power source or a load
How does a capacitive load work?
The working principle of capacitive load: the capacitor is connected to the power supply, and the charge is stored on the capacitor plate to form an electric field. When the power supply voltage changes, the capacitor responds, releasing or absorbing charge, changing the waveforms of current and voltage, creating a capacitive load.
What is a capacitive load in a power supply?
Capacitive load, the capacitor is connected to the power supply, resulting in a capacitive load, which creates a certain current demand on the power supply. Capacitors store electric charges and play the role of storing and releasing electrical energy in circuits. They are a component that stores electric charges.
How does a capacitive power supply work?
A capacitive power supply usually has a rectifier and filter to generate a direct current from the reduced alternating voltage. Such a supply comprises a capacitor, C1 whose reactance limits the current flowing through the rectifier bridge D1. A resistor, R1, connected in series with it protects against voltage spikes during switching operations.
Why is a capacitor connected in series with a load?
Capacitors are used in transformer less power supplies. In such circuits, the capacitor is connected in series with the load because we know that the capacitor and inductor in pure form does not consume power. They just take power in one cycle and deliver it back in the other cycle to the load.
What are the different types of capacitor loads?
Types of Capacitive Loads Capacitive loads store electrical energy in a capacitor and release it back into the circuit. Unlike resistive loads or inductive loads, CLs have the characteristic of the current reaching its peak before the voltage does.
What is the purpose of capacitors on the output of a power supply?
One purpose of capacitors on the output of a power supply is to attenuate undesired electrical noise as the power is delivered to the external load. Another purpose of capacitors on the output of a power supply is to minimize the change in output voltage due to the occurrence of load current transients.
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Capacitor bank rated voltage specifications
A capacitor unit is normally designed for single phase. The capacitor should be capable of smooth operation upto 110% of rated peak phase voltage of the system and also it should be capable of operation 120. Capacitor unit are normally rated with its KVAR ratings. Standard capacitor unit available at. These are mainly two cause of farming heat on a capacitor bank. 1. Outdoor type capacitor bank are generally installed at open space where sunlight strikes on the capacitor unit dir. To ensure proper ventilation, there should be adequate spacing between capacitor units. Sometimes, forced airflow can be used to speed up heat dissipation from the bank.
FAQs about Capacitor bank rated voltage specifications
What is the voltage tolerance of a capacitor bank?
System Voltage Tolerance: Capacitor banks must operate smoothly at up to 110% of the rated peak phase voltage and 120% of the rated RMS phase voltage. KVAR Rating: Capacitor units are rated by their KVAR values, which determine the reactive power they can provide to the system.
What is a capacitor bank?
Capacitor Bank Definition: A capacitor bank is defined as a group of capacitors used to store and release electrical energy in a power system, helping to improve power quality. System Voltage Tolerance: Capacitor banks must operate smoothly at up to 110% of the rated peak phase voltage and 120% of the rated RMS phase voltage.
What are the limits of a capacitor bank?
A capacitor bank should continue its service with in the following limits. 110 % of normal system peak voltage. 120 % of normal system rms voltage. 135 % of rated KVAR. 180 % of normal rated rms current. A capacitor unit is normally designed for single phase.
What is the rated voltage of a capacitor bank?
APACITOR BANKS1. RATED VOLTAGE:The rated voltage of the capacitors shall be 12 KV2.0 ATED UTPUT:The standard ra ed output of a switched capacitor bank shall be 150 KVAR at 12KV rated voltage. 3.0. PERMISSIBLE OVERLOADS:The maximum oads with regard to voltage, current and reactive output shall conform to IS: 13925 (Part-1).4.
What is the maximum voltage rating for a capacitor?
IEEE 18 specifies certain physical dimensions for capacitor units, such as spacing between bushings and the mounting hole spacing. The spacing between bushings determines the maximum unit voltage rating, which is typically 20kV for two bushing units and 25kV for single bushing units.
What are the characteristics of a capacitor unit?
A capacitor unit is normally designed for single phase. The capacitor should be capable of smooth operation upto 110% of rated peak phase voltage of the system and also it should be capable of operation 120% of rated rms phase voltage that means, 120% of times of peak phase voltage. Capacitor unit are normally rated with its KVAR ratings.
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How to operate the reactive capacitor module
Having above information, it is possible to find fitting cubicle for the elements of the capacitor bank. Because the device is going to operate at the mains, where higher order harmonics are present, power capacitors must be protected by reactors. Each capacitor emits additional amount of heat as well as a reactor. The. The arrangement of the elements inside the enclosure should be easily available for maintenance and replacement, and each element should be clearly marked according to the technical documentation. In the project, in terms of. The next step is to chose appropriate power capacitors. It means, that one needs to pay attention to its rated voltage and power. Since the capacitors will be working in series with reactors, what will cause the voltage at the. The last step is to select the protection of the capacitors as well as the contactors. In order to do so, one has to skim the catalogue cards of the. The short circuit protection of the capacitors is provided by the switch disconnectors. For the capacitors the fuse link rated current should be 1.6 time of the rated reactive current of.
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FAQs about How to operate the reactive capacitor module
How does a capacitor bank provide voltage support?
A capacitor bank provides voltage support by injecting reactive power into the electrical system. When connected to an electrical system, capacitors store and release energy in the form of reactive power. Reactive power is needed to maintain voltage levels in alternating current (AC) systems.
How does a capacitor bank improve the power factor of a PV plant?
A capacitor bank improves the power factor of a PV plant by supplying reactive power to compensate for the lagging current caused by inductive loads in the system. To understand this, let's first clarify what power factor is.
What is reactive power regulator RPC?
n the power factor of the system beyond the target. The reactive power regulators RPC are designed to provide the desired power factor while minimizing the wearing on the banks of capacitors, accurate and reliable in measuring and control functions are si
What is a capacitor bank controller?
The capacitor bank controller is a pre-engineered control system containing a MicroLogix 1400 controller, one or more PowerMonitor 1000 modules, and an optional human-machine interface (HMI). Pre-engineered ladder logic code in the controller gathers real and reactive power data from up to four power feeds (utility feeds and/or generators).
What is a reactive power regulator?
APTER Reactive4 power regulators and protections The reactive power regulator is, together with the capacitors and reactors (in detuned fi lter cabinets), the key compon
What is reactive power compensation panel?
Excellent. The aim of project called „Reactive power compensation panel” was to design capacitor bank with rated power of 200kVar and rated voltage of 400V adapted for operation with mains, where higher order harmonics are present. The capacitor bank was to be power capacitor based with automatic control by power factor regulator.
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Capacitor Supplier Name
A capacitor is a passive device on a circuit board that stores electrical energy in an electric field by virtue of accumulating electric charges on two close surfaces insulated from each other. This is a list of known capacitor manufacturers, their headquarters country of origin, and year founded. The oldest capacitor companies. • - United States - founded in 1972. • - United States• - Germany• (ECC) - Japan• - Japan - founded in 1937. • - United States - founded in 1919.• - Japan - founded in 1940. • - United States - Dubilier founded in 1920. • General Atomics Electromagnetic Systems (GA-EMS) - United States • - Japan • - China• - Japan - founded in 1944.
FAQs about Capacitor Supplier Name
How many capacitor suppliers are there?
Find 1,271 Capacitors suppliers with GlobalSpec. Our catalog includes 105,655 manufacturers, 20,972 distributors and 94,412 service providers. The GlobalSpec database includes 62,169 manufacturers and 16,221 distributors headquartered in the United States.
Who is the best capacitor manufacturer in the world?
With a market share of approximately 25%, Manufacturer A is one of the top players in the capacitor market. They have a strong presence in both developed and emerging markets, and their products are known for their high quality and reliability. Manufacturer B is another top capacitor manufacturer that has been in the industry for over 70 years.
What is manufacturer a capacitor?
Manufacturer A is a leading capacitor manufacturer that has been in the industry for over 50 years. They offer a wide range of capacitors, including ceramic, tantalum, and aluminum electrolytic capacitors. Their products are used in various industries, such as automotive, telecommunications, and consumer electronics.
Which manufacturers offer high-quality capacitors?
Here are three top manufacturers that offer high-quality capacitors: Manufacturer D is a well-known brand that produces capacitors with exceptional quality. Their products are reliable and durable, making them ideal for various applications.
What is manufacturer F capacitor?
Manufacturer F is a leading brand that produces high-quality aluminum electrolytic capacitors. Their products are known for their long lifespan and high reliability, making them ideal for use in industrial and automotive applications. One of the key features of Manufacturer F's capacitors is their high-temperature tolerance.
Who makes optimal power capacitors?
CDE, founded in Liberty, SC in 1909 is a manufacturer of optimal power capacitors. The company's product portfolio includes electrolytic capacitors, mica capacitors, AC film capacitors, DC film capacitors and Power Factor Correction Capacitors.
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Do capacitor banks have to be discharged individually
As specified by standards, a capacitor bank should be fitted with a discharge device such that it will discharge in under 5 min if complying with IEEE or in under 10 min if complying with IEC.
FAQs about Do capacitor banks have to be discharged individually
How does a capacitor discharge a bank?
To discharge the bank, each individual capacitor unit has a resistor to discharge the trapped charge within 5 minutes. Undervoltage or undercurrent protection function with a time delay is used to detect the bank going out of service and prevent closing the breaker until the set time has elapsed.
What happens when a capacitor bank is protected by a fuse?
Whenever the individual unit of capacitor bank is protected by fuse, it is necessary to provide discharge resistance in each of the units. While each capacitor unit generally has fuse protection, if a unit fails and its fuse blows, the voltage stress on other units in the same series row increases.
Which discharge device should be used for capacitors?
Resistors are the preferred discharge device for capacitors though reactors and voltage transformers can also be used if faster discharge is necessary. By using resistor, the rate of discharge, resistor power dissipation can be controlled to a high degree by the designer.
What is a capacitor bank utilizing internally used capacitor units?
l capacitor bank utilizing internally used capa itor units. In ral, banks employing internallyFigure 1.Capacitor unit.20fused capacitor units are configured with fewer capacitor units in parallel, and more series groups of units than re used in banks employing externally fused capacitor units. The capacitor units are
Can capacitor bank hold dangerous voltage after disconnecting from power system?
Capacitor bank can hold dangerous voltage after disconnecting from power system unless discharging devices are connected to the capacitor terminals.
What is capacitor bank protection?
Capacitor Bank Protection Definition: Protecting capacitor banks involves preventing internal and external faults to maintain functionality and safety. Types of Protection: There are three main protection types: Element Fuse, Unit Fuse, and Bank Protection, each serving different purposes.
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Working Principle of Gel Electrolytic Capacitor
An electrolytic capacitor is a whose or positive plate is made of a metal that forms an insulating layer through. This oxide layer acts as the of the capacitor. A solid, liquid, or gel covers the surface of this oxide layer, serving as the or negative plate of the capacitor. Because of their very thin dielectric oxide layer and enlarged an. Two thin films of aluminum foil are used to make this kind of capacitor, with the insulating oxide layer covering one of the layers. Due to the usage of aluminum foil, the capacitor is frequently r. Electrolytic capacitors store electric energy statically through charge separation in an electric field in the dielectric oxide layer between two electrodes,.
FAQs about Working Principle of Gel Electrolytic Capacitor
How do electrolytic capacitors store energy?
Like other conventional capacitors, electrolytic capacitors store the electric energy statically by charge separation in an electric field in the dielectric oxide layer between two electrodes. The non-solid or solid electrolyte in principle is the cathode, which thus forms the second electrode of the capacitor.
What is the basic concept of electrolytic capacitors?
This article explains the basic concept of electrolytic capacitors, its construction and basic features. The basic idea of electrolytic capacitor types is to maximize surface area of electrodes and thus increase its capacitance value and capacitance density.
Why are electrolytic capacitors conductive?
The electrolyte used in these capacitors is a liquid or gel-like substance that works as a dielectric material. It enables the electrolytic capacitor to have a large capacitance in its compact size. This electrolyte is conductive in nature due to its salt solution that can allow passage of current through them.
What enables the electrolytic capacitor to produce a large capacitance?
The electrolyte material enables the electrolytic capacitor to produce large capacitances. The electrolyte used in these capacitors is a liquid or gel-like substance that works as a dielectric material. It enables the electrolytic capacitor to have a large capacitance in its compact size.
How to make a bipolar electrolytic capacitor?
A bipolar electrolytic capacitor can be made by connecting two normal electrolytic capacitors in series, anode to anode or cathode to cathode, along with diodes. As to the basic construction principles of electrolytic capacitors, there are three different types: aluminium, tantalum, and niobium capacitors.
What is the dielectric medium of electrolytic capacitors?
The dielectric medium of electrolytic capacitors is a thin anodized aluminum oxide layer and an ionic liquid acts as one of the plates. It will give an insight if we get to know a capacitor deep inside visually and its output. Electrolytic capacitors are unique from other types based on the construction design.
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What does a mica capacitor look like
Mica which means a group of natural minerals is a type of capacitorthat is used in electrical systems and circuits. As the name suggests the material that is used for the dielectric is mica. There are two different types of mica capacitors: silver mica capacitors and clamped mica capacitors. We no longer use clamped. As there are two different types of mica capacitors they can be made by using two different methods. Even though we do not use clamped mica capacitors anymore we will still take a look at the. Like many other types of capacitors, mica capacitors have their specific property benefits why they are used in electrical circuits and systems. We will now take a look at some of these. Mica capacitors are used in electrical circuits and systems that require low capacitance values with high stability. As we stated before, clamped mica capacitors are classed as obsolete.
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FAQs about What does a mica capacitor look like
What is mica capacitor?
Mica capacitor is one kind of capacitor where the mica (silicate mineral) is used as a dielectric material that can be found in rocks, granites, etc. This material plays a key role in electrical applications like an electrical insulator.
What are the different types of mica capacitors?
There are two different types of mica capacitors: silver mica capacitors and clamped mica capacitors. We no longer use clamped mica capacitors in electrical systems and circuits and they are now seen as obsolete components. This is because silver mica capacitors have much better characteristics than clamped mica capacitors.
What are the characteristics of silver mica capacitors?
Their characteristics are generally frequency-independent, so permits to use at high frequency. Silver mica capacitors are expensive & bulky. The performance characteristics of silver mica capacitors will make them useful in a broad range of applications that demand low-loss & high stability components.
How do mica-metal capacitors work?
When aluminum and copper were substituted with silver, the performance of mica-metal capacitors increased. Thin sheets of mica separated by thin sheets of silver were stacked to form an assembly in these clamped mica capacitors. Before connecting the mica-silver layers, they were clamped.
What is the difference between mica and ceramic capacitors?
Mica capacitors bank on mica as the dielectric, while ceramic capacitors harness ceramic materials like barium titanate or ceramic compounds. 2.Stability Spectrum: Mica capacitors are celebrated for their prolonged stability, characterized by minimal capacitance fluctuations over time.
How are clamped mica capacitors made?
Thin sheets of mica separated by thin sheets of silver were stacked to form an assembly in these clamped mica capacitors. Before connecting the mica-silver layers, they were clamped. Because of the air gaps that developed between the two materials, the accuracy of clamped mica capacitors was low.
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About the symbol of capacitor
The general symbol of a capacitor in a circuit diagram is typically depicted as:Two parallel lines or plates, symbolizing the two conductive plates in an actual capacitor, separated by a non-conductive substance known as a dielectric1. Alternatively, a rectangle with one straight edge and one curved or absent edge can also represent a capacitor2.
FAQs about About the symbol of capacitor
What is a capacitor symbol?
The capacitor symbol serves to uniformly depict capacitors in electrical schematics and circuit designs. Important information about the capacitor's kind, value, and orientation in the circuit can be gleaned from its symbol.
How do you represent a capacitor?
There is, however, a common approach to representing them using a rectangle with one straight edge and one curved or absent edge. The schematic symbols used will vary based on the type of capacitor used and the preference of a designer; clear communication must be used, with added legends, for clarity.
Why do electronics professionals need to understand capacitor symbols?
Electronics professionals and enthusiasts must understand capacitor symbols. Power supply, audio equipment, filters, and timing circuits require capacitors. When designing or debugging electronic circuits, understanding capacitor symbols helps determine type, polarity, and capacitance.
What are polarized capacitor symbols?
The symbol of polarized capacitors contains positive and negative leads and must be linked in the circuit correctly to work. These polarized capacitor symbols in circuit diagrams show their polarity and design. 1. Aluminium Electrolytic Capacitors
What is a circuit diagram symbol for a fixed capacitor?
Circuit diagram symbols for fixed capacitors vary by kind. A fixed capacitor is usually represented by two parallel lines whose length represents its capacitance. Another typical capacitor sign is a rectangle with a straight line on one end, symbolizing the positive terminal. The rectangle's negative terminal is usually a curved line or no line.
What is a bipolar capacitor symbol?
Bipolar Capacitor Symbol Symbol: Two parallel lines, sometimes with a small “B” or “BP” near the symbol. Explanation: Bipolar capacitors are a type of electrolytic capacitor designed to withstand reverse voltage. They can be connected in either direction without significant performance degradation, unlike standard electrolytic capacitors.
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Capacitor primary error
The classic capacitor failure mechanism is dielectric breakdown. The dielectric in the capacitor is subjected to the full potential to which the device is charged and, due to small capacitor physical sizes, high elect. Open capacitors usually occur as a result of overstress in an application. For instance, o. The following list is a summary of the most common environmentally "critical factors" with respect to capacitors. The design engineer must take into consideration his own applications.
FAQs about Capacitor primary error
What is the failure mode of a capacitor?
Electromigration is one of failure mechanisms of semiconductor, but the failure mode can appear as a short, open, or characteristic degradation. Capacitors have several failure modes, the degree of which depends on the type of capacitor (Table 1).
What are the different types of capacitor failure?
Capacitor failures can be described by two basic failure categories: catastrophic failures and degraded failures. Catastrophic failure is the complete loss of function of the capacitor in a circuit. Catastrophic failure, such as open or short circuit, is the complete loss of function of the capacitor.
What causes a capacitor to fail?
In addition to these failures, capacitors may fail due to capacitance drift, instability with temperature, high dissipation factor or low insulation resistance. Failures can be the result of electrical, mechanical, or environmental overstress, "wear-out" due to dielectric degradation during operation, or manufacturing defects.
What is a catastrophic failure of a capacitor?
Catastrophic failure is the complete loss of function of the capacitor in a circuit. Catastrophic failure, such as open or short circuit, is the complete loss of function of the capacitor. This failure can cause the enclosure to explode, smoke, ignite, harm other electrical components, or leak liquid or gas from inside the capacitor.
How to prevent a capacitor failure?
Such failures can be avoided with preventive maintenance action such as replacing the capacitor. For film capacitors, the typical failure mode is capacitance decrease due to self-healing, so it is possible to diagnose the life expectancy by understanding the capacitance change.
How do you know if a capacitor has failed?
Generally, a capacitor is considered to have failed when its capacitance drops by 3% or more compared to its initial value. The probability that a failure will occur is called 'failure rate'. There are two types of failure rates: average failure rate and hazard rate (instantaneous failure rate).
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Capacitor banks need to be installed with separate
This installation type assumes one capacitors compensating device for the all feedersinside power substation. This solution minimize total reactive power to be installed and power factor can be maintained at the same level with the use of automatic regulation what makes the power factor close to the desired. Segment installation of capacitors assumes compensation of a loads segment supplied by the same switchgear. Capacitor bank is usually. Put in practice by connecting power capacitor directly to terminals of a device that has to be compensated. Thanks of this solution, electric grid load is minimized, since reactive power is generated at the device.
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The concept of capacitor energy storage welding
The Stored Energy welding power supply – commonly called a Capacative Discharge Welder or CD Welder – extracts energy from the power line over a period of time and stores it in welding capacitors.
FAQs about The concept of capacitor energy storage welding
Why is a capacitor used in welding?
A capacitor is used in welding to store electrical energy that can be rapidly discharged during the welding process. This discharge provides a high-intensity current flow, generating the heat required for melting the metal surfaces and forming a weld joint. What size are welding studs?
How does a capacitor discharge weld work?
Capacitor Discharge Welding works based on the principle of discharging stored electrical energy from capacitors through the workpieces to create a weld. The capacitors store a high voltage charge, which is discharged through the weld zone, generating an intense current flow for a short duration. The equipment used in CDW typically includes:
What is capacitor discharge welding (CDW)?
Capacitor Discharge Welding (CDW) is a welding process that utilizes the discharge of electrical energy stored in capacitors to create a localized, high-intensity heat source for joining metal components.
What are energy storage capacitors?
Capacitor model Energy storage capacitors are commonly modeled as lumped RLC (resistor-inductor-capacitor) circuits. Here, equivalent series resistance (ESR) represents the resistive and dielectric losses in the capacitor, and equivalent series inductance (ESL) represents the inductance of the capacitor lead and current path through the capacitor.
What are the merits and demerits of energy storage capacitors?
The merits and demerits of energy storage capacitors are compared with the other energy storage units. The basic need of an energy storage system is to charge as quickly as possible, store maximum energy, and discharge as per the load demand.
What are the limitations of capacitor discharge welding?
Size and thickness limitations of workpieces: Capacitor Discharge Welding is best suited for small-scale applications and workpieces of relatively small size and thickness. The equipment and process may have limitations when it comes to welding large or thick materials, as the heat generated may not be sufficient for effective bonding.
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Transformer capacitor replacement
Whether you're a seasoned DIY enthusiast or a novice, this article provides comprehensive insights, expert tips, and step-by-step instructions to ensure a successful capacitor replacement endeavor.
FAQs about Transformer capacitor replacement
Can a transformer be replaced with a capacitor/resistor coupling?
The transformer coupling can usually be replaced by capacitor/resistor coupling often without any loss of performance. In the case of Audio Interstage Transformers, connect a capacitor from the plate of the driving tube to the driven tube grid, The value is not critical. I suggest 0.1 mfd at 400 volts. Then bypass the open winding with a resistor.
How much capacitance does an IF transformer have?
In some IF transformers there are integrated capacitors internal to the enclosure. These capacitors are parallel to the primary and secondary of the coils. The range of capacitance, from what I have seen, range from about 70pf up to 250 pf. After years of service, the silver becomes tarnished where the spring metal contacts touch the silver.
How do I replace IF transformer contacts?
You may also have to remove the transformer (coil) wires and separate the coil section from the base. Clip the contacts so they will not short with out the mica wafer capacitors installed. After trimming original capacitor contacts. Replace the cover to hold the contacts from moving into the IF transformer's case.
How do I connect a capacitor to an audio Interstage transformer?
In the case of Audio Interstage Transformers, connect a capacitor from the plate of the driving tube to the driven tube grid, The value is not critical. I suggest 0.1 mfd at 400 volts. Then bypass the open winding with a resistor. Again the value is not critical. If the plate to B+ side is open, try using a 22K at 1 watt.
How do I replace a capacitor?
Replacing a capacitor is a straightforward process when approached methodically. Here's a step-by-step guide to help you navigate through the replacement procedure: Prepare Your Workspace: Select a clean, well-lit area with ample space to work comfortably. Ensure proper ventilation and access to necessary tools and materials.
How do you use IF transformers?
You may do the same with Intermediate Frequency Transformers. With IF Transformers use small capacitors between the plate of the driving tube to the grid of the driven tube. This will allow the peaking of the one side of the transformer which is still working. In this case, capacitor values around 200 pf will usually work.